CH101173A
(en )
1923-09-01
Process for the production of primers.
SU1210A1
(en )
1924-09-15
The method of vulcanization of natural or synthetic rubber
CH75979A
(en )
1918-03-16
Process for the impregnation of rubber articles
CH77919A
(en )
1918-06-01
Process for the production of footwear running parts
CH80944A
(en )
1919-09-16
Method of making cords
CH81325A
(en )
1919-06-02
Process for the production of light, elastic objects for play purposes
AT121570B
(en )
1931-02-25
Process for the production of vulcanized rubber.
AT82807B
(en )
1921-02-25
Process for accelerating the vulcanization of natural or artificial rubber or rubber-like substances.
CH76930A
(en )
1918-02-16
Method of making slippers
CH88567A
(en )
1921-03-01
Process for the production of trinitroresorzin.
NL5086C
(en )
1920-07-01
Tanning method
CH78495A
(en )
1918-12-16
Rubber tires
CH77545A
(en )
1918-05-01
Method of treating vulcanized fibers
CH77110A
(en )
1918-08-01
Process for the production of artificial leather
CH77381A
(en )
1918-09-02
Process for the production of artificial leather
CH75980A
(en )
1918-03-16
Process for the production of artificial leather
AT107001B
(en )
1927-08-10
Process for the production of detonators.
CH81317A
(en )
1919-06-02
Process for the production of leather
AT82952B
(en )
1921-02-25
Process for creating chains.
CH75875A
(en )
1917-10-01
Process for the production of potassium persulfate
DK33576C
(en )
1924-08-25
Procedure for the production of vulcanized rubber galoshes.
CH79811A
(en )
1919-01-16
Process for the production of artificial leather
CH79342A
(en )
1919-03-17
Process for the production of artificial leather
AT91349B
(en )
1923-02-26
Process for the production of leather.
CH75897A
(en )
1917-10-01
Process for the production of drive belts