CH77364A
(en )
1918-04-01
Process for the production of wooden heels
CH101173A
(en )
1923-09-01
Process for the production of primers.
CH86573A
(en )
1920-09-01
Process for the production of gravure forms.
CH80235A
(en )
1919-07-01
Process for the production of shoe wax
CH82059A
(en )
1919-08-16
Process for the production of leather substitutes
CH79954A
(en )
1919-01-16
Process for the production of coffee substitutes
CH79811A
(en )
1919-01-16
Process for the production of artificial leather
CH79342A
(en )
1919-03-17
Process for the production of artificial leather
CH82599A
(en )
1919-10-01
Process for the preparation of per compounds
CH80239A
(en )
1919-02-17
Process for the production of ebonite
CH77919A
(en )
1918-06-01
Process for the production of footwear running parts
CH80833A
(en )
1919-04-01
Process for the production of sodium cyanate
CH80238A
(en )
1919-02-17
Process for the production of rubber-like compositions
CH79489A
(en )
1918-12-02
Process for the production of copper compounds
CH80810A
(en )
1919-04-16
Process for the manufacture of locking pins
CH78665A
(en )
1918-08-16
Form for the production of wooden heels
CH77654A
(en )
1918-05-01
Process for the manufacture of shoe uppers
AT96138B
(en )
1924-02-25
Process for the production of fuel.
CH80094A
(en )
1919-02-01
Process for the production of sodium percarbonate
AT89533B
(en )
1922-09-25
Process for the production of resinous bodies.
CH80964A
(en )
1919-09-16
Process for the production of high percentage solutions of calcium nitrate
CH76586A
(en )
1918-01-16
Process for the production of cork boards
CH80665A
(en )
1919-09-01
Process for the production of an artificial stone
CH81325A
(en )
1919-06-02
Process for the production of light, elastic objects for play purposes
CH79801A
(en )
1919-01-16
Process for the production of solid sodium percarbonate