CH52472A
(en )
1911-11-16
Process for the production of filament lamps
CH58518A
(en )
1913-03-17
Process for the production of filament lamp wires
CH66000A
(en )
1914-08-01
Process for the production of incandescent bodies
CH80466A
(en )
1919-03-01
Process for the manufacture of tungsten incandescent lamps
CH66969A
(en )
1914-11-02
Process for the production of glass tubes
CH63494A
(en )
1914-02-02
Process for the production of components
CH70971A
(en )
1915-11-16
Process for the production of incandescent bodies for hanging incandescent light
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH63365A
(en )
1914-01-16
Process for the production of nitrocellulose
CH59749A
(en )
1913-06-02
Process for manufacturing incandescent mantles
CH68327A
(en )
1915-03-01
Process for the production of dichloro-o-cresyl carbonate
CH63124A
(en )
1914-01-02
Process for the production of disodium cyanamide
CH72174A
(en )
1916-04-17
Process for the production of enamels
CH74792A
(en )
1917-04-16
Process for the production of tungsten wires
AT70872B
(en )
1916-01-10
Process for the production of artificial marble.
CH66699A
(en )
1914-10-01
Process for the production of frisé goods
CH66317A
(en )
1914-09-01
Process for the production of pure diastase
CH66503A
(en )
1914-09-16
Process for the production of calcium cyanamide
CH57546A
(en )
1913-01-16
Process for the production of size
CH67004A
(en )
1914-11-02
Process for the manufacture of explosives
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH62853A
(en )
1913-12-16
Process for the production of paints
CH64710A
(en )
1914-04-16
Process for the production of paints
AT87461B
(en )
1922-02-25
Process for the production of alkali amide.