PL297892A1 - Ventube fan - Google Patents

Ventube fan

Info

Publication number
PL297892A1
PL297892A1 PL29789293A PL29789293A PL297892A1 PL 297892 A1 PL297892 A1 PL 297892A1 PL 29789293 A PL29789293 A PL 29789293A PL 29789293 A PL29789293 A PL 29789293A PL 297892 A1 PL297892 A1 PL 297892A1
Authority
PL
Poland
Prior art keywords
ventube
fan
ventube fan
Prior art date
Application number
PL29789293A
Other versions
PL170089B1 (en
Inventor
Antoni Czapla
Janusz Cygankiewicz
Jozef Knechtel
Original Assignee
Glowny Instytut Gornictwa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Glowny Instytut Gornictwa filed Critical Glowny Instytut Gornictwa
Priority to PL29789293A priority Critical patent/PL170089B1/en
Publication of PL297892A1 publication Critical patent/PL297892A1/en
Publication of PL170089B1 publication Critical patent/PL170089B1/en

Links

PL29789293A 1993-02-26 1993-02-26 Ventube fan PL170089B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL29789293A PL170089B1 (en) 1993-02-26 1993-02-26 Ventube fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL29789293A PL170089B1 (en) 1993-02-26 1993-02-26 Ventube fan

Publications (2)

Publication Number Publication Date
PL297892A1 true PL297892A1 (en) 1994-09-05
PL170089B1 PL170089B1 (en) 1996-10-31

Family

ID=20059651

Family Applications (1)

Application Number Title Priority Date Filing Date
PL29789293A PL170089B1 (en) 1993-02-26 1993-02-26 Ventube fan

Country Status (1)

Country Link
PL (1) PL170089B1 (en)

Also Published As

Publication number Publication date
PL170089B1 (en) 1996-10-31

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Legal Events

Date Code Title Description
LAPS Decisions on the lapse of the protection rights

Effective date: 20090226