CH168724A
(en )
1934-04-30
Process for the production of high percentage nitric acid.
CH160177A
(en )
1933-02-28
Process for making shaped articles.
CH159454A
(en )
1933-01-15
Process for the production of a hard molding containing precious metals
CH150001A
(en )
1931-10-15
Process for the production of a solid diazo preparation.
CH144215A
(en )
1930-12-15
Process for the production of a new metal-containing dye.
CH160222A
(en )
1933-02-28
Process for the production of castings from alloys.
CH160174A
(en )
1933-02-28
Process for the production of a handling-safe disintegrant.
CH166277A
(en )
1933-12-31
Process for the production of the metal links of zippers.
AT140832B
(en )
1935-02-25
Process for the production of a baking aid.
CH196129A
(en )
1938-02-28
Process for the production of a metal cleaning agent.
CH152887A
(en )
1932-02-29
Process for the production of a nitrogenous vat dye.
CH210485A
(en )
1940-07-15
Process for the production of a nitrogen-containing condensation product.
CH145446A
(en )
1931-02-28
Process for the production of a metal-containing dye.
AT132015B
(en )
1933-02-25
Process for the production of chromates.
CH153033A
(en )
1932-02-29
Process for the preparation of a basic substituted carboxamide.
CH145460A
(en )
1931-02-28
Process for the production of a condensation product.
AT108126B
(en )
1927-11-25
Process for the production of a high quality zinc oxide.
AT121518B
(en )
1931-02-25
Process for the production of aluminum-copper-nickel alloys.
CH231097A
(en )
1944-02-29
Process for the production of metal blocks in metal molds.
AT132016B
(en )
1933-02-25
Process for the production of bichromates.
CH152880A
(en )
1932-02-29
Process for the production of a chromium-containing dye.
CH158804A
(en )
1932-12-15
Process for the production of a dye preparation.
CH210744A
(en )
1940-07-31
Process for the production of an alkyd resin.
CH127471A
(en )
1928-09-01
Process for making a verminicide.
CH184516A
(en )
1936-05-31
Process for the production of a transparent lacquer.