CH79342A
(en )
1919-03-17
Process for the production of artificial leather
CH79811A
(en )
1919-01-16
Process for the production of artificial leather
CH83598A
(en )
1919-12-16
Process for the production of a cement for dental purposes
CH79494A
(en )
1918-12-02
Process for the manufacture of a leather substitute
CH82060A
(en )
1919-08-16
Process for the manufacture of a leather substitute
CH81608A
(en )
1919-12-01
Process for the production of a coffee substitute
CH80238A
(en )
1919-02-17
Process for the production of rubber-like compositions
CH75554A
(en )
1917-08-16
Process for the production of an artificial fertilizer
CH80533A
(en )
1919-03-17
Process for the production of a plastic
CH77364A
(en )
1918-04-01
Process for the production of wooden heels
AT89533B
(en )
1922-09-25
Process for the production of resinous bodies.
CH80422A
(en )
1919-03-01
Process for the production of metal bodies
CH82049A
(en )
1919-08-16
Process for the production of a meat extract-like preparation
CH79962A
(en )
1919-01-16
Process for the production of a lacquer
CH79954A
(en )
1919-01-16
Process for the production of coffee substitutes
CH75980A
(en )
1918-03-16
Process for the production of artificial leather
CH77110A
(en )
1918-08-01
Process for the production of artificial leather
CH77381A
(en )
1918-09-02
Process for the production of artificial leather
CH80239A
(en )
1919-02-17
Process for the production of ebonite
CH82059A
(en )
1919-08-16
Process for the production of leather substitutes
CH80964A
(en )
1919-09-16
Process for the production of high percentage solutions of calcium nitrate
CH77941A
(en )
1918-06-01
Process for the production of natural top view images
CH80235A
(en )
1919-07-01
Process for the production of shoe wax
CH77251A
(en )
1918-03-16
Process for the manufacture of a leather substitute
CH75777A
(en )
1918-01-16
Process for the manufacture of a leather substitute