CH279184A
(en )
1951-11-15
Process for the manufacture of cellulose-containing products.
CH255708A
(en )
1948-07-15
Process for the electrodeposition of copper.
CH272579A
(en )
1950-12-31
Process for the electrolytic deposition of metallic selenium.
CH279633A
(en )
1951-12-15
Process for the production of copper phthalocyanine.
CH255963A
(en )
1948-07-31
Process for the production of sodium dicyandiamide.
CH227441A
(en )
1943-06-15
Process for the production of breaker contacts containing carbon.
CH242030A
(en )
1946-04-15
Process for improving the contacting of electrical contacts.
CH248479A
(en )
1947-05-15
Process for the preparation of aniline-N-d-riboside.
CH299214A
(en )
1954-05-31
Process for the production of polyacrylic acid amide.
CH223854A
(en )
1942-10-15
Terminal for electrical lines.
CH258691A
(en )
1948-12-15
Electrical fuse performing mechanical work.
CH235161A
(en )
1944-11-15
Four-pole for interference suppression of electrical lines.
CH226564A
(en )
1943-04-15
Method for producing breaker contacts.
CH239848A
(en )
1945-11-15
Process for the preparation of 6-sulfanilamido-4-methyl-pyrimidine.
CH237492A
(en )
1945-04-30
Process for the manufacture of rectifier disks.
CH224979A
(en )
1942-12-31
Process for the production of diazotypes.
CH234081A
(en )
1944-09-15
Washing method.
CH231131A
(en )
1944-02-29
Electrical terminal block.
CH231150A
(en )
1944-02-29
Process for obtaining toxiferin I and II.
CH227887A
(en )
1943-07-15
Process for the preparation of tetrahydro-p-oxazinylmethyl-benzodioxane.
CH227258A
(en )
1943-05-31
Process for making electrical contacts.
AT181269B
(en )
1955-03-10
Process for the production of contact masses
CH236240A
(en )
1945-01-31
Process for improving the processability and the stability of polyvinyl chloride-plasticizer mixtures.
CH236224A
(en )
1945-01-31
Process for the preparation of acetyl-iso-malodinitrile.
CH224702A
(en )
1942-12-15
Process for improving the magnetizability of iron-cobalt alloys.