CH62523A
(en )
1913-12-01
Process for the production of refractory, electrically conductive moldings
CH68153A
(en )
1915-02-16
Process for the production of fuel
AT88396B
(en )
1922-05-10
Process for the production of iron-free hard alloys.
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH65988A
(en )
1914-08-01
Process for the production of electrical insulation bodies
CH68327A
(en )
1915-03-01
Process for the production of dichloro-o-cresyl carbonate
CH66000A
(en )
1914-08-01
Process for the production of incandescent bodies
CH63494A
(en )
1914-02-02
Process for the production of components
CH72174A
(en )
1916-04-17
Process for the production of enamels
CH74792A
(en )
1917-04-16
Process for the production of tungsten wires
AT87461B
(en )
1922-02-25
Process for the production of alkali amide.
CH63594A
(en )
1914-02-02
Process for the production of writing boards
CH70403A
(en )
1915-09-16
Process for the production of wood briquettes
AT75645B
(en )
1919-02-25
Process for the production of two or more part porcelain insulators.
CH57533A
(en )
1913-01-16
Process for the production of hydrogen
CH57979A
(en )
1913-02-17
Process for the production of hydrogen
CH57546A
(en )
1913-01-16
Process for the production of size
AT82991B
(en )
1921-02-25
Process for the production of hydrogen.
CH69336A
(en )
1915-06-16
Process for the catalytic production of hydrogen
CH71436A
(en )
1916-01-03
Process for the production of briquettes
CH55749A
(en )
1912-09-02
Process for the production of hydrogen cyanide
CH67392A
(en )
1914-12-01
Process for the production of sawdust briquettes
CH71053A
(en )
1915-11-16
Process for the production of art prints
AT70872B
(en )
1916-01-10
Process for the production of artificial marble.
CH67004A
(en )
1914-11-02
Process for the manufacture of explosives