CH73719A
(en )
1916-11-01
Process for regulating the voltage of dynamo machines by means of carbon pressure resistors
CH65639A
(en )
1914-07-01
Process for making sacks
CH72355A
(en )
1916-05-01
Process for the production of road surfaces
CH72212A
(en )
1916-04-17
Process for the production of alternating current windings
CH71053A
(en )
1915-11-16
Process for the production of art prints
CH73203A
(en )
1916-09-01
Process for the production of relief maps with printing
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH69677A
(en )
1915-07-16
Machine for the production of Tresterstöckli
CH71814A
(en )
1916-02-16
Process for the production of inking rollers
CH76038A
(en )
1917-10-16
Process for the production of sodium amide
CH57776A
(en )
1913-02-01
Process for the production of printing forms
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH66334A
(en )
1914-09-01
Process for the production of printing plates
CH64477A
(en )
1914-04-01
Process for purifying hydrogen
CH74007A
(en )
1917-06-01
Process for the production of embroidery on machines and equipment on embroidery machines for carrying out this process
CH54747A
(en )
1912-06-17
Excitation system for regulating the voltage of alternating current machines
CH63494A
(en )
1914-02-02
Process for the production of components
CH55389A
(en )
1912-08-16
Process for the production of cartridge cases
CH71943A
(en )
1916-03-01
Process for the production of dials from embossable material
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH70285A
(en )
1915-11-16
Process for the production of artificial rubber
CH68666A
(en )
1915-04-01
Process for the production of finely divided indanthrenes
CH70369A
(en )
1915-09-16
Process for the production of finely divided indanthrenes
CH71436A
(en )
1916-01-03
Process for the production of briquettes
CH76039A
(en )
1917-10-16
Process for the production of sodium amide