AT88447B
(en )
1922-05-10
Process for the production of electrical insulating materials and the like.
CH75776A
(en )
1917-09-17
Process for the production of electrical insulating fittings
AT76380B
(en )
1919-05-10
Process and system for the production of pre-doughs.
CH65988A
(en )
1914-08-01
Process for the production of electrical insulation bodies
AT88396B
(en )
1922-05-10
Process for the production of iron-free hard alloys.
AT87482B
(en )
1922-02-25
Process for the production of asbestos slate and the like.
CH75854A
(en )
1917-10-01
Process for the manufacture of electric radiators
AT75645B
(en )
1919-02-25
Process for the production of two or more part porcelain insulators.
CH72922A
(en )
1916-07-17
Process for the manufacture of electric radiators
CH78230A
(en )
1918-07-01
Device for the production of briquettes
CH79967A
(en )
1919-01-16
Process for the production of enamelled everyday objects
CH77440A
(en )
1918-04-16
Process for the production of insulating sleeves for transformers
CH76592A
(en )
1918-01-16
Process for the production of fittings
CH75457A
(en )
1916-12-17
Process for the production of stamps and stamps produced by the process
CH57387A
(en )
1913-01-02
Process for the production of electrical capacitors
CH72174A
(en )
1916-04-17
Process for the production of enamels
AT88401B
(en )
1922-05-10
Process for the production of zinc-lead paints.
CH74792A
(en )
1917-04-16
Process for the production of tungsten wires
CH66672A
(en )
1914-10-01
Form for the production of concrete workpieces and the like.
CH76063A
(en )
1917-11-01
Method and device for the production of peat and other briquettes
CH76779A
(en )
1918-02-01
Process for the production of pressed briquettes
CH76294A
(en )
1917-11-16
Briquette and method of making the same
CH76711A
(en )
1918-05-16
Process for the production of wire drawing dies
CH72628A
(en )
1916-06-16
Process for the production of antimonies
AT57819B
(en )
1913-02-25
Device for the production of tar macadam and the like.