CH204452A
(en )
1939-04-30
Process for the production of copper phthalocyanine.
CH214666A
(en )
1941-05-15
Process for the production of weld beads without welding cracks
CH203162A
(en )
1939-02-28
Process for the production of diazotypes.
CH211494A
(en )
1940-09-30
Process for the production of heavy metal compounds of the phthalocyanine series.
AT98937B
(en )
1924-12-27
Process for the production of disc-shaped drilling tools with soldered or welded cutting edges.
CH101173A
(en )
1923-09-01
Process for the production of primers.
CH213201A
(en )
1941-01-31
Method of promoting the growth of plants.
CH205538A
(en )
1939-06-30
Process for the production of copper phthalocyanines.
CH208879A
(en )
1940-02-29
Process for the production of copper phthalocyanine.
CH86058A
(en )
1920-08-02
Device on milling machines for the production of wave profiles.
AT160169B
(en )
1941-02-25
Process for the production of canned food.
AT87355B
(en )
1922-02-25
Process for the production of scythe workpieces.
CH85235A
(en )
1920-10-01
Device for drawing circles.
CH236806A
(en )
1945-03-15
Process for the production of welding electrodes for wear-resistant welds.
AT107429B
(en )
1927-10-10
Process for the production of liquid, semi-solid or solid synthetic materials.
CH88567A
(en )
1921-03-01
Process for the production of trinitroresorzin.
CH100241A
(en )
1923-07-16
Device for the production of hollow bodies.
CH227983A
(en )
1943-07-31
Process for the production of copper phthalocyanine.
AT91489B
(en )
1923-02-26
Process for the production of wooden pencils.
AT87356B
(en )
1922-02-25
Process for the production of twist drills with a welded cutting plate made of high quality steel.
CH219664A
(en )
1942-02-28
Process for the production of surface layers on objects made of alloyed steels.
AT107001B
(en )
1927-08-10
Process for the production of detonators.
AT96150B
(en )
1924-02-25
Process for the production of writing boards.
CH224897A
(en )
1942-12-15
Process for the production of 2-methyl-1,4-naphthohydroquinone-diphosphoric acid ammonium.
CH230697A
(en )
1944-01-31
Process for the production of phthalocyanines.