AT75645B
(en )
1919-02-25
Process for the production of two or more part porcelain insulators.
AT88396B
(en )
1922-05-10
Process for the production of iron-free hard alloys.
CH74792A
(en )
1917-04-16
Process for the production of tungsten wires
CH75776A
(en )
1917-09-17
Process for the production of electrical insulating fittings
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH68153A
(en )
1915-02-16
Process for the production of fuel
AT75547B
(en )
1919-02-25
Process for the production of disinfectants.
AT82809B
(en )
1921-02-25
Process for the production of an anti-skid compound.
CH72174A
(en )
1916-04-17
Process for the production of enamels
CH78372A
(en )
1918-07-16
Process for the manufacture of stamps
CH74900A
(en )
1917-05-01
Process for the manufacture of pneumatic jackets
CH72824A
(en )
1916-07-01
Process for the production of nitrogen compounds
CH72922A
(en )
1916-07-17
Process for the manufacture of electric radiators
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH74534A
(en )
1917-08-01
Process for the production of an anti-skid compound
CH73443A
(en )
1917-03-16
Process for the production of artificial slates
CH74200A
(en )
1917-01-16
Process for the production of glazed asbestos-cement boards
CH57546A
(en )
1913-01-16
Process for the production of size
CH66000A
(en )
1914-08-01
Process for the production of incandescent bodies
CH65988A
(en )
1914-08-01
Process for the production of electrical insulation bodies
AT80098B
(en )
1920-02-25
Process for the production of inorganically insulatedMethod for the production of inorganically insulated coils. en coils.
CH70056A
(en )
1915-08-16
Process for the preparation of methylene tetrahydropapaverine
CH77246A
(en )
1918-03-16
Process for the electrolytic production of persons
CH72958A
(en )
1916-07-17
Process for the production of sodium percarbonate
CH69955A
(en )
1915-08-02
Process for the preparation of 4-chloro-1-oxyanthraquinone