CH46643A
(en )
1910-04-01
Process for the production of filaments for electric light from a metal of the chromium group
CH46247A
(en )
1910-02-16
Process for the production of filaments from tungsten metal for incandescent lamps
CH41605A
(en )
1908-11-02
Process for the production of alfenide-like metal goods
CH45392A
(en )
1909-11-16
Process for the production of incandescent bodies for gas incandescent light
CH49212A
(en )
1911-01-16
Process for the production of shaped pieces with highly pyrophoric properties from a weakly pyrophoric alloy which contains cerium
CH43912A
(en )
1909-07-01
Process for the production of galvanic chromium deposits
CH40457A
(en )
1909-02-01
Process for the production of a solid, porous cleaning compound for acetylene gas
CH58823A
(en )
1913-04-01
Process for the production of metal layers
AT32452B
(en )
1908-04-10
Process for the manufacture of filaments for electric light.
CH43864A
(en )
1909-06-16
Process for manufacturing components
CH46712A
(en )
1910-04-01
Process for the production of uniform metal coatings on metal objects
CH50097A
(en )
1911-04-17
Process for the production of alloys
CH48702A
(en )
1910-11-16
Process for the production of shaped pieces with high pyrophoric properties from a weakly pyrophoric alloy which contains cerium
CH42903A
(en )
1909-03-16
Process for the production of three-color screens for color photography
CH49431A
(en )
1911-02-01
Process for the production of asbestos filters
CH42245A
(en )
1909-01-16
Process for manufacturing incandescent mantles
CH42403A
(en )
1909-02-01
Process for manufacturing incandescent mantles
CH49211A
(en )
1911-01-16
Process for the production of shaped pieces with highly pyrophoric properties from a weakly pyrophoric alloy which contains cerium
CH43475A
(en )
1909-05-17
Process for the production of slowly burning flares
CH49645A
(en )
1911-03-01
Process for the production of metal alloys
CH49214A
(en )
1911-01-16
Process for the production of shaped pieces with highly pyrophoric properties from an alloy which contains cerium
CH49215A
(en )
1911-01-16
Process for the production of shaped pieces with highly pyrophoric properties from an alloy which contains cerium
CH44808A
(en )
1909-09-16
Process for the production of textile fibers
AT32814B
(en )
1908-05-11
Process for the production of metallic illuminants for electric light bulbs.
CH49216A
(en )
1911-01-16
Process for the production of moldings of highly pyrophoric properties from cerium