CH80238A
(en )
1919-02-17
Process for the production of rubber-like compositions
CH82599A
(en )
1919-10-01
Process for the preparation of per compounds
CH79801A
(en )
1919-01-16
Process for the production of solid sodium percarbonate
CH77364A
(en )
1918-04-01
Process for the production of wooden heels
CH80833A
(en )
1919-04-01
Process for the production of sodium cyanate
CH80094A
(en )
1919-02-01
Process for the production of sodium percarbonate
CH79489A
(en )
1918-12-02
Process for the production of copper compounds
CH80665A
(en )
1919-09-01
Process for the production of an artificial stone
CH80422A
(en )
1919-03-01
Process for the production of metal bodies
CH79296A
(en )
1919-04-01
Process for the production of shaped pieces from magnesia cement
CH80235A
(en )
1919-07-01
Process for the production of shoe wax
CH79651A
(en )
1918-12-16
Facility for the production of calcium carbide
CH83598A
(en )
1919-12-16
Process for the production of a cement for dental purposes
CH82059A
(en )
1919-08-16
Process for the production of leather substitutes
CH79491A
(en )
1918-12-02
Process for the production of copper oxide
CH79342A
(en )
1919-03-17
Process for the production of artificial leather
CH79811A
(en )
1919-01-16
Process for the production of artificial leather
CH79954A
(en )
1919-01-16
Process for the production of coffee substitutes
AT89533B
(en )
1922-09-25
Process for the production of resinous bodies.
AT96138B
(en )
1924-02-25
Process for the production of fuel.
CH80239A
(en )
1919-02-17
Process for the production of ebonite
CH80964A
(en )
1919-09-16
Process for the production of high percentage solutions of calcium nitrate
CH78104A
(en )
1918-10-16
Process for the production of mercury oxide
CH80810A
(en )
1919-04-16
Process for the manufacture of locking pins
CH81325A
(en )
1919-06-02
Process for the production of light, elastic objects for play purposes