CH79535A
(en )
1918-12-02
Method and device for the production of strips from leather, rubber, fabric etc.
CH223791A
(en )
1942-10-15
Process for the production of photographic material, in particular for subtractive multicolor images, and photographic material produced by this process.
CH101173A
(en )
1923-09-01
Process for the production of primers.
AT91349B
(en )
1923-02-26
Process for the production of leather.
CH86573A
(en )
1920-09-01
Process for the production of gravure forms.
CH82425A
(en )
1919-10-01
Method and device for manufacturing insoles provided with sewn lips
CH81317A
(en )
1919-06-02
Process for the production of leather
CH80932A
(en )
1919-09-16
Method and device for the production of strand pieces from plastic material under pressure
CH183514A
(en )
1936-04-15
Method and device for the production of horse blankets from leather.
AT91345B
(en )
1923-02-26
Process for the production of iron leather.
CH81781A
(en )
1919-07-16
Process for the production of full, flexible iron leather
AT102642B
(en )
1926-02-25
Method and device for the production of squibs.
CH79342A
(en )
1919-03-17
Process for the production of artificial leather
AT99311B
(en )
1925-02-25
Process for the production of embossed forms from vulcanized rubber.
AT98163B
(en )
1924-10-10
Process for the production of pieces of foam from rubber u. like
CH79635A
(en )
1918-12-16
Flat structure made of leather for the manufacture of shoes
ES78837A3
(en )
1921-10-01
An industrial process consisting of the manufacture of hairy fabrics imitation of animal skins.
CH75775A
(en )
1918-02-01
Process for the production of tough and storage-stable leather from animal hides by means of ferric salts
AT126988B
(en )
1932-02-25
Process for the production of an accelerator for the vulcanization of rubber and similar substances.
CH71810A
(en )
1916-02-16
Process for the production of artificial leather
CH79810A
(en )
1919-04-16
Waterproof leather substitute and process for its manufacture
CH80701A
(en )
1919-04-01
Waterproof leather substitute and process for its manufacture
CH76587A
(en )
1918-01-16
Patterned leather and method of making the pattern
CH82059A
(en )
1919-08-16
Process for the production of leather substitutes
AT89534B
(en )
1922-09-25
Method and device for the production of oak wood imitations.