CH61865A
(en )
1913-10-16
Process and device for the production of molded artificial stone
CH58857A
(en )
1913-04-01
Process for the production of artificial stones
CH59610A
(en )
1913-06-02
Process for the production of artificial stones
CH61357A
(en )
1913-09-16
Process for the production of artificial stones
AT74183B
(en )
1918-02-25
Process for the production of artificial stone.
CH70719A
(en )
1915-10-16
Process for the manufacture of textile-like products
CH58351A
(en )
1913-03-01
Process for the production of artificial building blocks
CH62851A
(en )
1913-12-16
Process and device for the production of white lead
CH57227A
(en )
1912-12-16
Process for the production of artificial stones
CH69967A
(en )
1915-08-02
Method and device for the production of molded articles from fiber material
CH59001A
(en )
1913-04-16
Method and device for the production of artificial railways
CH65479A
(en )
1914-06-16
Stone sleeve and method of making the same
CH51388A
(en )
1911-09-01
Method and device for the production of artificial stones
CH68920A
(en )
1915-05-01
Process for the production of artificial leather
CH74229A
(en )
1917-02-01
Method and device for the production of soap powder
CH59100A
(en )
1913-04-16
Device for the production of artificial stones
CH66696A
(en )
1914-10-01
Elastic fabric and method of making the same
CH61239A
(en )
1913-09-16
Method and machine for the production of flat profile pieces
CH63112A
(en )
1914-01-02
Method and device for the production of rennet liquid
CH61931A
(en )
1913-10-16
Process for the production of technically usable rubber substitute
CH73443A
(en )
1917-03-16
Process for the production of artificial slates
CH63503A
(en )
1914-04-01
Process and device for the production of panel-shaped structures
CH59641A
(en )
1913-06-02
Process for the production of artificial threads
CH50173A
(en )
1911-05-01
Process for the production of artificial stone slabs
CH51068A
(en )
1911-07-17
Process for the production of artificial stone slabs