CH80964A
(en )
1919-09-16
Process for the production of high percentage solutions of calcium nitrate
CH86573A
(en )
1920-09-01
Process for the production of gravure forms.
CH78547A
(en )
1919-01-16
Process for the production of cyanamide solution from calcium cyanamide
CH80422A
(en )
1919-03-01
Process for the production of metal bodies
CH80833A
(en )
1919-04-01
Process for the production of sodium cyanate
CH80239A
(en )
1919-02-17
Process for the production of ebonite
CH79489A
(en )
1918-12-02
Process for the production of copper compounds
CH82059A
(en )
1919-08-16
Process for the production of leather substitutes
CH80094A
(en )
1919-02-01
Process for the production of sodium percarbonate
CH81776A
(en )
1919-12-01
Process for the production of monochloroacetic acid
CH79491A
(en )
1918-12-02
Process for the production of copper oxide
AT96138B
(en )
1924-02-25
Process for the production of fuel.
CH78104A
(en )
1918-10-16
Process for the production of mercury oxide
CH82981A
(en )
1919-11-01
Process for the production of pulp
CH79801A
(en )
1919-01-16
Process for the production of solid sodium percarbonate
CH79342A
(en )
1919-03-17
Process for the production of artificial leather
CH79811A
(en )
1919-01-16
Process for the production of artificial leather
CH79651A
(en )
1918-12-16
Facility for the production of calcium carbide
CH79954A
(en )
1919-01-16
Process for the production of coffee substitutes
CH77932A
(en )
1918-06-17
Process for the production of calcium cyanamide
AT91368B
(en )
1923-02-26
Process for the production of bodies containing alkali carbonate.
CH79296A
(en )
1919-04-01
Process for the production of shaped pieces from magnesia cement
CH80810A
(en )
1919-04-16
Process for the manufacture of locking pins
CH76586A
(en )
1918-01-16
Process for the production of cork boards
CH80235A
(en )
1919-07-01
Process for the production of shoe wax