CH65231A
(en )
1914-06-01
Process for the production of wire, consisting of tungsten or a tungsten alloy
CH73729A
(en )
1916-11-16
Process for the production of wires from tungsten
CH49212A
(en )
1911-01-16
Process for the production of shaped pieces with highly pyrophoric properties from a weakly pyrophoric alloy which contains cerium
NL1583C
(en )
1916-10-02
Improvement of a method for the production of coatings of glass, metal or other fusible substances
CH56638A
(en )
1912-11-16
Process for the production of tungsten from tungstic acid
CH48702A
(en )
1910-11-16
Process for the production of shaped pieces with high pyrophoric properties from a weakly pyrophoric alloy which contains cerium
CH49211A
(en )
1911-01-16
Process for the production of shaped pieces with highly pyrophoric properties from a weakly pyrophoric alloy which contains cerium
CH91932A
(en )
1921-12-01
Process for the production of shaped pieces from metal carbides of the tungsten group.
AT88396B
(en )
1922-05-10
Process for the production of iron-free hard alloys.
CH43390A
(en )
1909-05-01
Process for the production of fine filaments made of tungsten
AT87399B
(en )
1922-02-25
Fine zinc, especially for the manufacture of wire.
CH46247A
(en )
1910-02-16
Process for the production of filaments from tungsten metal for incandescent lamps
NL1220C
(en )
1916-05-15
Improvement of a method for the production of securities
CH53998A
(en )
1912-04-16
Process for the production of sheet metal, strips, wire and the like from electrolyte iron
CH69818A
(en )
1915-07-16
Process for the production of conical springs from steel strips
CH67328A
(en )
1914-12-01
Process for the production of a water-soluble silver protein compound
CH49215A
(en )
1911-01-16
Process for the production of shaped pieces with highly pyrophoric properties from an alloy which contains cerium
CH49214A
(en )
1911-01-16
Process for the production of shaped pieces with highly pyrophoric properties from an alloy which contains cerium
CH65921A
(en )
1914-07-16
Process for the preparation of acetaldehyde from acetylene
AT63610B
(en )
1914-02-25
Process for the production of hydrastinine from berberine.
CH49213A
(en )
1911-01-16
Process for the production of shaped pieces with highly pyrophoric properties from a weakly pyrophoric alloy which contains cerium and another rare earth metal
CH66091A
(en )
1914-08-17
Process for the production of hollow, metal cutlery handles
CH63362A
(en )
1914-02-02
Process for the production of shaped pieces from common salt
AT31898B
(en )
1908-02-25
Process for the production of furniture handles or the like from wire.
CH69765A
(en )
1915-07-16
Process for the production of 1. 2 dioxybenzene-4. 6-disulfonic acid