CH268171A
(en )
1950-05-15
Process for the preparation of mixtures for the activation of metal surfaces.
CH256523A
(en )
1948-08-31
Procedure for lubricating bearings.
AT186083B
(en )
1956-07-10
Process for applying phosphate coatings to metals
CH236805A
(en )
1945-03-15
Process for shaping materials.
CH240627A
(en )
1946-01-15
Mine pen and process for its manufacture.
CH272579A
(en )
1950-12-31
Process for the electrolytic deposition of metallic selenium.
CH233236A
(en )
1944-07-15
Process for the compensation of objects.
CH232169A
(en )
1944-05-15
Method of brazing steel parts.
CH308579A
(en )
1955-07-31
Process for applying oxalate coatings to metals.
CH221732A
(en )
1942-06-15
Process for the production of carbon bodies.
CH227391A
(en )
1943-06-15
Process for surface hardening of workpieces.
AT195648B
(en )
1958-02-25
Process for making alkali and alkaline earth metals and retort for performing this process
CH237389A
(en )
1945-04-30
Process for halogenating hydrocarbons.
CH214602A
(en )
1941-05-15
Process for the production of ammonium nitrate and apparatus for carrying out this process.
CH224979A
(en )
1942-12-31
Process for the production of diazotypes.
CH226721A
(en )
1943-04-30
Process for the production of hard metal alloys for tools and work equipment.
FR917846A
(en )
1947-01-22
Roof construction process
CH231150A
(en )
1944-02-29
Process for obtaining toxiferin I and II.
CH225880A
(en )
1943-02-28
Method and device for electro-inductive heating of metallic workpieces.
CH225824A
(en )
1943-02-28
Process for pressing metals or metal alloys.
CH241276A
(en )
1946-02-28
Process for producing DM fours and stranding machine for carrying out the process.
CH231881A
(en )
1944-04-30
Process for the production of aluminum sulfate from aluminum ores.
CH236243A
(en )
1945-01-31
Process for phosphating porous bodies.
CH236713A
(en )
1945-02-28
Process for the production of a-monochloro-e-caprolactam.
AT190768B
(en )
1957-07-25
Process for the production of sliding surfaces on iron surfaces