CH81134A
(en )
1919-07-01
Process for the production of a wood-like mass and articles of daily use from it
CH78971A
(en )
1918-09-16
Process for the production of spur and helical gears
CH79954A
(en )
1919-01-16
Process for the production of coffee substitutes
AT87482B
(en )
1922-02-25
Process for the production of asbestos slate and the like.
CH80964A
(en )
1919-09-16
Process for the production of high percentage solutions of calcium nitrate
CH81318A
(en )
1919-06-02
Process for the production of an acid-resistant and waterproof mass
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH78308A
(en )
1918-07-01
Process and device for the production of dry fuels
CH81137A
(en )
1919-10-16
Process for the production of cardboard boxes
CH80422A
(en )
1919-03-01
Process for the production of metal bodies
CH75457A
(en )
1916-12-17
Process for the production of stamps and stamps produced by the process
CH79967A
(en )
1919-01-16
Process for the production of enamelled everyday objects
CH78547A
(en )
1919-01-16
Process for the production of cyanamide solution from calcium cyanamide
CH80085A
(en )
1919-06-02
Method and device for the production of cardboard boxes
CH72251A
(en )
1916-04-17
Process for the production of highly refractory articles
CH82059A
(en )
1919-08-16
Process for the production of leather substitutes
AT96138B
(en )
1924-02-25
Process for the production of fuel.
CH79296A
(en )
1919-04-01
Process for the production of shaped pieces from magnesia cement
CH78926A
(en )
1919-02-01
Process for the production of door hinge parts
CH80233A
(en )
1919-07-01
Process for the preparation of 4 4'-diaminobenzophenone
AT88419B
(en )
1922-05-10
Process for the production of gall soaps and detergents.
CH80635A
(en )
1919-09-01
Process for the preparation of ethyl pseudoisatin
CH77932A
(en )
1918-06-17
Process for the production of calcium cyanamide
CH66699A
(en )
1914-10-01
Process for the production of frisé goods
CH66860A
(en )
1914-10-16
Process for the production of dihydrocodeine