CH168724A
(en )
1934-04-30
Process for the production of high percentage nitric acid.
AT131134B
(en )
1933-01-10
Process for making processed cheese.
AT132051B
(en )
1933-02-25
Process for the production of security paper.
CH160222A
(en )
1933-02-28
Process for the production of castings from alloys.
CH152611A
(en )
1932-02-15
Process for the production of diazo preparations.
AT108103B
(en )
1927-11-25
Process for the production of moldings from metals.
AT121518B
(en )
1931-02-25
Process for the production of aluminum-copper-nickel alloys.
CH166277A
(en )
1933-12-31
Process for the production of the metal links of zippers.
CH159454A
(en )
1933-01-15
Process for the production of a hard molding containing precious metals
CH219167A
(en )
1942-01-31
Process for the production of printing forms from colloids.
AT126981B
(en )
1932-02-25
Process for the production of anti-friction alloys.
CH131625A
(en )
1929-02-28
Process for the production of cast iron.
CH182885A
(en )
1936-02-29
Process for the production of items made of malleable cast iron.
AT132015B
(en )
1933-02-25
Process for the production of chromates.
CH131624A
(en )
1929-02-28
Process for the production of metals and alloys.
AT108109B
(en )
1927-11-25
Process for the manufacture of low-sulfur cast iron.
AT132016B
(en )
1933-02-25
Process for the production of bichromates.
AT136672B
(en )
1934-02-26
Process for the production of resistance bodies.
AT116464B
(en )
1930-02-25
Process for the production of metal chlorides.
CH138300A
(en )
1930-02-28
Process for the production of dye powders.
CH145436A
(en )
1931-02-28
Process for the production of persalts by electrolysis.
CH160227A
(en )
1933-02-28
Process for improving the properties of iron-nickel-beryllium alloys.
AT107028B
(en )
1927-08-10
Process for the production of tubes by centrifugal casting.
CH152836A
(en )
1932-02-29
Process for the production of rayon.
CH125709A
(en )
1928-05-01
Process for the production of molten alumina.