CH81137A
(en )
1919-10-16
Process for the production of cardboard boxes
CH80239A
(en )
1919-02-17
Process for the production of ebonite
CH82981A
(en )
1919-11-01
Process for the production of pulp
CH79954A
(en )
1919-01-16
Process for the production of coffee substitutes
CH80085A
(en )
1919-06-02
Method and device for the production of cardboard boxes
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
CH80094A
(en )
1919-02-01
Process for the production of sodium percarbonate
CH79489A
(en )
1918-12-02
Process for the production of copper compounds
CH80235A
(en )
1919-07-01
Process for the production of shoe wax
CH79801A
(en )
1919-01-16
Process for the production of solid sodium percarbonate
AT96138B
(en )
1924-02-25
Process for the production of fuel.
CH76805A
(en )
1918-06-17
process for the production of nutrient pulp
CH82059A
(en )
1919-08-16
Process for the production of leather substitutes
CH81445A
(en )
1919-06-16
Process for the evaporation of liquids
CH80833A
(en )
1919-04-01
Process for the production of sodium cyanate
CH79335A
(en )
1918-11-01
Process for the production of cigarette paper from sulphite pulp
CH77364A
(en )
1918-04-01
Process for the production of wooden heels
AT88401B
(en )
1922-05-10
Process for the production of zinc-lead paints.
CH80422A
(en )
1919-03-01
Process for the production of metal bodies
CH82599A
(en )
1919-10-01
Process for the preparation of per compounds
CH79501A
(en )
1918-12-02
Process for the production of color ribbons from paper
CH79491A
(en )
1918-12-02
Process for the production of copper oxide
CH75534A
(en )
1917-08-01
Process for the production of etched figures
AT88456B
(en )
1922-05-10
Process for the production of perylene.