CH201630A
(en )
1938-12-15
Process for the electrolytic production of metal coatings.
CH227925A
(en )
1943-07-15
Process for the production of erasable photographs.
CH214550A
(en )
1941-04-30
Process for the production of copper phthalocyanine.
CH220133A
(en )
1942-03-15
Process for the electrolytic production of zinc coatings.
AT156095B
(en )
1939-05-10
Process for the production of magnesium and alkaline earth metals by molten electrolysis.
CH201631A
(en )
1938-12-15
Process for the electrolytic production of oxide-containing coatings on aluminum-free magnesium alloys.
AT148708B
(en )
1937-02-25
Process for the extraction of precious metals.
CH209863A
(en )
1940-05-15
Process for the electrolytic production of protective coatings on workpieces made of magnesium and its alloys.
CH181567A
(en )
1935-12-31
Process for the production of cartridge cases from light metal.
CH226026A
(en )
1943-03-15
Process for the electrolytic oxidation of magnesium alloys.
CH208788A
(en )
1940-02-29
Process for the production of metals by reducing ores with the aid of currents of high frequency.
CH207209A
(en )
1939-10-15
Device for the electrolytic brightening of light metals by anodic treatment.
CH166277A
(en )
1933-12-31
Process for the production of the metal links of zippers.
CH182873A
(en )
1936-02-29
Process for the production of chrysene.
AT148698B
(en )
1937-02-25
Process for the electrolytic deposition of shiny deposits of metals.
AT155623B
(en )
1939-02-25
Method of image production.
CH219713A
(en )
1942-02-28
Process for the production of alloys containing zirconium.
CH231097A
(en )
1944-02-29
Process for the production of metal blocks in metal molds.
AT155625B
(en )
1939-02-25
Process for the production of copolymers.
CA324141A
(en )
1932-07-12
Process of producing magnesium metal by electrolysis
AT152558B
(en )
1938-02-25
Process for the production of dyes.
AT155621B
(en )
1939-02-25
Process for the electrolytic production of zinc coatings.
CH189564A
(en )
1937-02-28
Process for the production of l-ascorbic acid.
AT157954B
(en )
1940-02-26
Process for the production of organic gold compounds.
AT140846B
(en )
1935-02-25
Process for the separation of copper-silver alloys.