JPS58172676A - Picture recording device - Google Patents
Picture recording deviceInfo
- Publication number
- JPS58172676A JPS58172676A JP5516982A JP5516982A JPS58172676A JP S58172676 A JPS58172676 A JP S58172676A JP 5516982 A JP5516982 A JP 5516982A JP 5516982 A JP5516982 A JP 5516982A JP S58172676 A JPS58172676 A JP S58172676A
- Authority
- JP
- Japan
- Prior art keywords
- recording
- head
- recording head
- toner
- recording medium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/32—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head
- G03G15/321—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head by charge transfer onto the recording material in accordance with the image
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
- Dot-Matrix Printers And Others (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Electrophotography Using Other Than Carlson'S Method (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、静電記録式による転写形の幽隊記録誠tit
に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention provides an electrostatic recording type transfer type recorder.
Regarding.
一般に、誘電体層、導電層および基−からなるエンドレ
スベルト状の記録媒体ヲー」定食方間に送りながらその
記録媒体■を一様に帯電させたのち、主走査方向VC1
ライン分のスタイラスが配設された記録ヘッドによりデ
ジタルthl情報に応じた亀圧印加馨村なわせて記録媒
体面の′#!L荷除去または減少による静電m像の形成
をなし、そのa像が形成された記録媒体面のトナーによ
る現偉処[1なして普通#1に転写させ、かつそれを電
着処理させることによって画像の記録Y行なわせる靜1
L記録式による転写形のth謙記録!l装にあっては、
転写後に記録媒体面をクリーニングさせたのちにその記
録媒体を次のi己録プロセスにくり返し供与させるよう
にしている。In general, an endless belt-shaped recording medium consisting of a dielectric layer, a conductive layer, and a base is uniformly charged while being fed in a fixed direction, and then charged in the main scanning direction VC1.
A recording head equipped with a stylus for each line applies a tortoise pressure according to the digital THL information to record '#' on the surface of the recording medium. Formation of an electrostatic m image by removing or reducing the L charge, and developing with toner the surface of the recording medium on which the a image is formed [No 1, usually transferred to #1, and then electrocoated. 1 to record the image by
th Ken record in transcription form by L recording type! In case of l-packing,
After the recording medium surface is cleaned after the transfer, the recording medium is repeatedly applied to the next i-recording process.
しかし、転写後に記録媒体面に残留するトナーをクリー
ナによってクリーニングさせる際、それ?完全に行なわ
せることが事実上不可百〇であり、クリーニング後もな
お記録媒体面に残留するトナーが記録ヘッド面に付層堆
積して、スタイラスによる放−特性を劣化させて配録さ
れる@塚の品質を低下させたり地肌汚れを生じさせたり
してしまうという問題がある。However, when using a cleaner to clean the toner remaining on the surface of the recording medium after transfer, is it? It is practically impossible to completely perform the cleaning, and the toner that remains on the recording medium surface even after cleaning is deposited in a layer on the recording head surface, deteriorating the emission characteristics of the stylus and recording. There are problems in that the quality of the mound deteriorates and the surface becomes dirty.
本発明はこのような点を4慝してなされたもので、静電
記録式による転写形のものにおいて、記録ヘッドにトナ
ーが付着堆積することがないようにしたm像記碌装置を
提供するものである。The present invention has been made in consideration of the above points, and provides an m-image recording device which prevents toner from adhering and accumulating on the recording head in an electrostatic recording type transfer type device. It is something.
本発明による画像記録装置にあっては、特に記録媒体面
に対してスタイラス位置が変動することがないようにし
て記録ヘッドを揺動させることによってその記録ヘッド
曲と記録媒体間との接触状1ケ通亘変化させ、それによ
り記録ヘッド面に部分的に一時付看したトナーY逃がす
ような手段?とるようにしている。In the image recording apparatus according to the present invention, the contact state between the recording head track and the recording medium is improved by swinging the recording head so that the stylus position does not change with respect to the recording medium surface. Is there a way to change the flow rate and thereby release the toner temporarily attached to the recording head surface? I try to take it.
その場合、記録ヘッドケ慎械的iC@かす+2段をとる
以上、設計上の理由または口■製部の摩耗などによって
記録媒体向に対するスタイリス位置が僅か[X鯛してし
まうことが否め1:い、記録よ・ドの揺り時に一妹媒捧
面に対するスタイラス位置が変動してしまうと、記録N
像が副疋畳方間に伸ひたり石6んだすしてしまい、i己
嫌ヘッドを不規則に揺動させたのでは記録画像の品質が
低下してしまうことになる。しかして、本発明では、画
像の記録にイll11ら影+%lli’に与えることの
ないページ記録終了時から次のページの記録開始時まで
のページ間(その間にあっても記録媒体が送られている
)に記録ヘッドを揺動させるようにするものである。In that case, as long as the recording head has a mechanical iC @ scrap + 2 stages, it is undeniable that the stylus position relative to the recording medium will shift slightly due to design reasons or abrasion of the opening part. , If the stylus position relative to the Issyo medium surface changes when the record N is swayed, the record N
If the image is stretched in the direction of the sub-column and the stone 6 is thrown, the quality of the recorded image will deteriorate if the head is oscillated irregularly. Therefore, in the present invention, the recording medium is not fed between pages (even during that time) from the end of page recording to the start of recording of the next page, which does not affect the image recording. The recording head is made to swing according to
以下、株付図面馨参照して本発明の一実施例について詳
述する。Hereinafter, one embodiment of the present invention will be described in detail with reference to the accompanying drawings.
第1図は静電記録式による転写形の画像記録装置の一構
成例を示すもので、ベルトユニット1と、そのベルトユ
ニット1におけるエンドレスベルト状の記録媒体2の周
囲に適亘配設され、記録媒体2の副矩食方向への移動に
応じて静電配録プロセスを逐次実行する除′鴫用ACチ
ャージャー3および帯電用DCチャージャー4(円チャ
ージャー3.4[よって記録媒体2の一様帯電がなされ
る)、記録媒体2面に対する王走食方間にアレイ状にス
タイラスが配設されている記録ヘッド5本体から着脱自
在になるように設けられた現像ユニット6、転写チャー
ジャ−7およびクリーニングユニット8からなる静電記
録プロセス系と、カセット9内の記録紙lOまたはテー
ブル11iC手差しでセットされた記録紙ケその先端が
記録媒体2而に現像された画像部の先端と一致するタイ
ミングで転写位置に給紙させるフィードローラ12また
は13.レジストローラ14および転写フィードローラ
15からなる給紙糸と、転写された記、#代ケ搬送させ
るベルト機構16と、@送されてきた記録紙の電層処理
ケ付なわせる定着ユニツ) 17と、電層処理される記
録紙をトレイ18に送ろ排戦ロー−719とによって構
成されている。なお、ベルトユニット1は、ドライブロ
ーラ26.テンシ冒ンローラおおよびアイドルローラ2
7゜28間にエンドレスベルト状の記録媒体2ケ装架さ
せることによって構成されている。FIG. 1 shows an example of a configuration of an electrostatic recording type transfer type image recording device, in which a belt unit 1 and an endless belt-shaped recording medium 2 in the belt unit 1 are appropriately arranged around the belt unit 1 and an endless belt-shaped recording medium 2 in the belt unit 1. An AC charger 3 for removing dust and a DC charger 4 for charging (circular charger 3.4 [therefore, the uniformity of the recording medium 2 A developing unit 6, a transfer charger 7, and a recording head 5, each of which is removably attached to the main body, has a stylus arranged in an array between two surfaces of the recording medium. The electrostatic recording process system consisting of the cleaning unit 8 and the recording paper 10 in the cassette 9 or the recording paper manually set on the table 11iC are processed at a timing when the leading edge of the recording paper coincides with the leading edge of the image area developed on the recording medium 2. Feed roller 12 or 13 for feeding the paper to the transfer position. A paper feeding thread consisting of a registration roller 14 and a transfer feed roller 15, a belt mechanism 16 for conveying the transferred recording paper, and a fixing unit 17 for attaching the electrical layer treatment to the fed recording paper. , and a transfer row 719 for feeding the recording paper to be subjected to electrolayer treatment to the tray 18. Note that the belt unit 1 includes a drive roller 26. Tenshi Enroller and Idol Roller 2
It is constructed by mounting two endless belt-shaped recording media between 7° and 28°.
また、図中29は記録ヘッド5の背向ローラ?示してい
る。Also, 29 in the figure is the back roller of the recording head 5? It shows.
このよ5な画1象記録装置において、特に本発明では第
2図に示すような記録ヘッド5の揺動手段?設けるよう
にしている。すなわち、L′F−状に形成された記録ヘ
ッド5Y図中点線で示すように傾けた際にスタイラス位
置Aかに動じないように、その記録ヘッド5?その一端
の両側に突出させて設けられた軸30ケ介して固だ四の
ブラケ、ット31間に回動自在VC取付け(ブラゲツI
−31には記録ヘッド5側の軸30と共働してその精き
?許容きせる長孔32が穿設されている)、かつ記、録
ヘッド5の他端?固だ側に回動自在に取付けられた軸3
3に固層されたピン34に受けさせ、回転軸33に固層
されたレバー35ケリンク36ヲ介して電磁ソレノイド
式のTり千エエータ370出力輔に連結させ、そ゛のア
クチェエータ37のオン、オフによる出力軸のt、下動
に応じたビン34の動きにより記録ヘッド5を揺動させ
るようVCシている。In such a single-picture recording apparatus, in particular, the present invention uses a means for swinging the recording head 5 as shown in FIG. I am trying to set it up. That is, the recording head 5Y, which is formed in the shape of L'F-, is arranged so that the recording head 5Y does not move to the stylus position A when it is tilted as shown by the dotted line in the figure. A rotatable VC is mounted between the fixed bracket and the bracket 31 through 30 shafts protruding from both sides of one end.
-31 is the spirit that works together with the shaft 30 on the recording head 5 side. ), and the other end of the recording head 5? Shaft 3 rotatably attached to the solid side
The actuator 37 is connected to the output of an electromagnetic solenoid actuator 370 through a lever 35 fixed to the rotating shaft 33 and a link 36, and the actuator 37 is turned on and off. The VC is set so that the recording head 5 is oscillated by the movement of the bin 34 in response to the downward movement of the output shaft.
しかして、このように構成された不発明による画II
記@ * tiltにありては、ig 3 図(a)に
示すように記録ヘッド5が正規の位置にあ6場合に記録
媒体2によって運ばれてくるトナーT1 が記録ヘッド
5而に付着するが、同因由)に示すように記録ヘッド5
が傾くと記録媒体2面と記録ヘッド5面との当たり角が
変化して先に付着していたトナーT2 が記録ヘッド5
面から逃げるようになる。また記録ヘッド5が傾いてい
る状態にあってもその記録ヘッド5面にトナーT3が付
着するが(この場合には記録ヘッド5が正規の位置にあ
る場合とは異なる一19rに付着するようになる)、同
図(C)に示すようVC記、球ヘッド5が正規の位It
にもどされると記録媒体2面と記録ヘッド5闇との接触
条件がfイヒして先に付着していたトナーT3が記録ヘ
ッド5而から逃げるようになる。Therefore, the uninvented picture II constructed in this way
Note @ * In the case of tilt, when the recording head 5 is in the normal position as shown in FIG. 3 (a), the toner T1 carried by the recording medium 2 will adhere to the recording head 5. , same reason), the recording head 5
When the surface of the recording medium is tilted, the angle of contact between the second surface of the recording medium and the surface of the recording head 5 changes, and the toner T2 that adhered earlier is transferred to the recording head 5.
Starts to run away from the face. Furthermore, even if the recording head 5 is tilted, the toner T3 will adhere to the surface of the recording head 5 (in this case, the toner T3 will adhere to the surface 19r, which is different from when the recording head 5 is in the normal position). ), as shown in the same figure (C), the ball head 5 is in the normal position.
When the recording medium 2 is returned to its normal position, the contact condition between the recording medium 2 and the recording head 5 is satisfied, and the toner T3 that had previously adhered to the recording head 5 escapes from the recording head 5.
以ド、記録ヘッド5の揺動に応じてトナーの付着、剰畦
がくり返し行なわれ、それにより記録ヘッド5面へのト
ナーの付着堆積が有効に防止される。なお、渠3図中5
1はスダイラス?示している。Thereafter, toner adhesion and ridge formation are repeated in response to the rocking of the recording head 5, thereby effectively preventing toner from adhering and accumulating on the surface of the recording head 5. In addition, culvert 5 in diagram 3
Is 1 Sudairas? It shows.
また、第4図は記録ヘッド5を揺動させるための他の実
施例ケ示すもので、この場合は駆動源(図示せず)から
ベルト謔およびプーリ39ヲ介して駆動力が伝達される
半回転クラッチ旬の出力軸41にカム42ヲ取付けると
ともに、記録ヘッド5911にそのカム42と共働して
記録ヘッド5ヶ揺動させるビン43ケ設け、アクチェエ
ータ44Y瞬時オンにしてその出力軸を引っ込ませてリ
ング45Y介してクラッチ爪46乞引くと、半回転クラ
ッチ40の拘束が解けてそれが半回転してカム42の働
きにより配球ヘッド5を頑けさせ、次のアクチェエータ
躬のオンによって半回転クラッチ40がさらに半回転し
て記録ヘッド5ケ正規の位置に復帰させるようにしてい
る。FIG. 4 shows another embodiment for swinging the recording head 5. In this case, the driving force is transmitted from a driving source (not shown) through a belt and a pulley 39. A cam 42 is attached to the output shaft 41 of the rotary clutch, and 43 pins are provided to the recording head 5911 to swing the five recording heads in cooperation with the cam 42, and the actuator 44Y is turned on instantly to retract its output shaft. When the clutch pawl 46 is pulled through the ring 45Y, the half-rotation clutch 40 is released and makes a half-rotation, which stiffens the ball distribution head 5 by the action of the cam 42. When the actuator is turned on next time, it makes a half-rotation. The clutch 40 makes another half turn to return the five recording heads to their normal positions.
また、d己録ヘッド5v揺動させるタイミングとしては
、1ペ一ジ分の記録終了時から次のページの記録開始時
までのページ間ごとに、または数ページ分記録した後の
ページ間に1ないし数回記録ヘッドン揺動させるように
する。In addition, the timing for swinging the self-recording head by 5 V is for each page from the end of recording for one page to the start of recording for the next page, or for every page after recording several pages. Make sure to shake the recording head several times.
第5図はページ間で記録ヘッド乞揺動させる際における
各部信号のタイミングケ不すもので、PAGE END
は各1ペ一ジ分の記録終了ケ示す状態gi勺ケ、P
RINT READYはハイレベル時に記録中であるこ
とケ示し、ローレベル時にページ間ケ示す状態偏りゲ、
ACTUATER1は第2図の実施例におけるアクチェ
エータ37 をトリガするストローブ信号ケ、ACTU
ATER2は第4図の実弛例におけろアクチェエータ4
4ヲトリガするストローブ信号ケそれぞれ示している。Figure 5 shows the timing of various signals when the recording head is oscillated between pages.
indicates the end of recording for each page.
RINT READY indicates that recording is in progress when it is at a high level, and indicates between pages when it is at a low level.
ACTUATER1 is a strobe signal that triggers the actuator 37 in the embodiment of FIG.
ATER2 is actuator 4 in the actual relaxation example shown in Figure 4.
The strobe signals that trigger 4 are shown respectively.
いま、例えばファクシミリなどにあって画:を記録装置
がPAGE END gi号を受けると、11fi
!*記録装置のコントローラ(特に図示せず)がPRI
NT READY信号ケロ信号ベローレベル録動作ン終
了させてページ間とスル、同時にコントローラは、第2
図の実施例の場合にあっては、PRINT READY
信gケローレベルにした時点でそれまでアクチェエータ
37ケトリガしていた(このとき記録ヘッド5は正規の
位置に保持されている)ストロ−ブイぎgACTUAT
ER1をローレベルにして記録ヘッド5をページ間で傾
はサセ、次ページの記録開始1#ICPRINTREA
DY ff1号がハイレベルになった時点でストローブ
信9 ACTUATER1乞ハイレベルにして記録ヘッ
ド5Y正規の位置に保持させるようにする。また、44
図の実施例の場合にあっては、コントローラはPRIN
TREADY ! 号’にローレベルにした時点でアク
チエ−タ44にパルス状のストローブ信号ACTUAT
ER2Y与え、それによりアクチェエータ44ケ瞬間的
にトリガさせて記録ヘッド5vページ間で傾けさせ、欠
ページの記録開始時[MttNT REAT)Y 信
号がへイレベルになった時点で再びアゲ千エエータ44
&Cパルス状ノストローブ@ 9 hctuAtER2
ヶ与えて記録ヘッド5ケ正規の位11に復帰させるよう
にする。なお、肩5幽中
ACTUATERIおよびACTUATER2Kおける
点硼の特性は、ページ間で記録ヘッド5ヶ2回揺@させ
る際の各ストローブ信号ケ示している。For example, when a recording device receives a PAGE END gi number on a facsimile machine, the 11fi
! *The controller of the recording device (not particularly shown) is PRI
NT READY signal KERO signal bellows level Recording is finished and the page is turned off. At the same time, the controller
In the case of the illustrated embodiment, PRINT READY
When the signal was set to low level, the actuator 37 had been triggered (at this time, the recording head 5 was held at the normal position).
Set ER1 to low level, tilt the recording head 5 between pages, and start recording the next page 1#ICPRINTREA
When the DY ff1 signal becomes high level, the strobe signal 9 ACTUATER 1 is set to high level so that the recording head 5Y is held at the normal position. Also, 44
In the case of the illustrated embodiment, the controller is PRIN
TREADY! When the signal is set to low level, a pulse strobe signal ACTUAT is applied to the actuator 44.
The actuator 44 is instantaneously triggered to tilt the recording head between 5v pages, and when the recording of the missing page starts, the [MttNT REAT)Y signal becomes high level, and the actuator 44 is activated again.
&C pulsed nostrobe @ 9 hctuAtER2
5 of the recording heads to return to the normal position of 11. Note that the characteristics of the flashes in ACTUATERI and ACTUATER2K are shown for each strobe signal when five recording heads are oscillated twice between pages.
以上、本発明による画像記録1[にあっては、静電記録
式による転写形のものにおいて、記録媒体の送り方向に
ha録ヘヘッYページ間で揺動させる手段ケ設けるよう
にしたもので、それにより記録11!1liii!の品
質ケ何ら低下させることなく配録ヘッド(I]1にトナ
ーが付着堆積することン有効に防止させろことができる
という潰れた利点を有して騨
いる。As described above, the image recording 1 according to the present invention is an electrostatic recording type transfer type, and is provided with a means for swinging the recording medium from ha to Y pages in the feeding direction. As a result, the record is 11!1liii! This has the distinct advantage that toner deposition on the recording head (I) 1 can be effectively prevented without any deterioration in quality.
@1図は静1[配録式[、J:ろ転写形の両jψ記録装
置の一構成例ケ示す正面図、第2図は本発明[係る記録
ヘッドの揺動手段ケ示す正面図、f43図(a)、 (
b)、 (CD!記録ヘツFの揺動によるトナーの付着
状帽をそれぞれ示す簡略図、第4図は記録ヘッドの他の
揺動手段を示す斜視図、第5図はページ間で記録ヘッド
を揺動させる際における谷部信号の夕1ムチヤードであ
る。
2・・・記録媒体 5・・・記録ヘッド 37.44・
・・アクチェエータ 4o・・・1回転クラッチ出願人
代理人 鳥 井 清
第2図
第3図@ Figure 1 is a front view showing an example of the configuration of a static 1 [distribution type [, J: filter transfer type] recording device, and Figure 2 is a front view showing the swinging means of the recording head according to the present invention. f43 figure (a), (
b), (CD! Simplified diagram showing toner adhesion due to the swinging of the recording head F, Figure 4 is a perspective view showing other rocking means of the recording head, Figure 5 is a simplified diagram showing how the recording head is moved between pages. 2. Recording medium 5. Recording head 37.44.
...Actuator 4o...One-turn clutch Applicant Kiyoshi Torii Figure 2 Figure 3
Claims (1)
送り方向に記録ヘッドYページの記録終了時から次ペー
ジの記録開始時までのページ間で揺動させる手段ケ設け
たことを特徴とする画像記録装置。A transfer type device using the 1-recording method, characterized in that a means is provided for swinging the recording head between pages from the end of recording of Y page to the start of recording of the next page in the feeding direction of the recording medium. Image recording device.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5516982A JPS58172676A (en) | 1982-04-02 | 1982-04-02 | Picture recording device |
US06/477,463 US4567495A (en) | 1982-03-30 | 1983-03-21 | Record head cleaning device for image recording apparatus |
DE19833311730 DE3311730A1 (en) | 1982-03-30 | 1983-03-30 | CLEANING DEVICE FOR A RECORDING HEAD |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5516982A JPS58172676A (en) | 1982-04-02 | 1982-04-02 | Picture recording device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58172676A true JPS58172676A (en) | 1983-10-11 |
JPH0221584B2 JPH0221584B2 (en) | 1990-05-15 |
Family
ID=12991223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5516982A Granted JPS58172676A (en) | 1982-03-30 | 1982-04-02 | Picture recording device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58172676A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8827315B2 (en) | 2009-12-10 | 2014-09-09 | Agfa-Gevaert N.V. | Security document with security feature on edge |
US9012018B2 (en) | 2009-12-18 | 2015-04-21 | Agfa-Gevaert N.V. | Laser markable security film |
US9067451B2 (en) | 2009-12-18 | 2015-06-30 | Agfa-Gevaert N.V. | Laser markable security film |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51150217A (en) * | 1975-06-18 | 1976-12-23 | Matsushita Electric Ind Co Ltd | Paper supplier |
JPS55134257U (en) * | 1979-03-17 | 1980-09-24 |
-
1982
- 1982-04-02 JP JP5516982A patent/JPS58172676A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51150217A (en) * | 1975-06-18 | 1976-12-23 | Matsushita Electric Ind Co Ltd | Paper supplier |
JPS55134257U (en) * | 1979-03-17 | 1980-09-24 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8827315B2 (en) | 2009-12-10 | 2014-09-09 | Agfa-Gevaert N.V. | Security document with security feature on edge |
US9012018B2 (en) | 2009-12-18 | 2015-04-21 | Agfa-Gevaert N.V. | Laser markable security film |
US9067451B2 (en) | 2009-12-18 | 2015-06-30 | Agfa-Gevaert N.V. | Laser markable security film |
Also Published As
Publication number | Publication date |
---|---|
JPH0221584B2 (en) | 1990-05-15 |
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