CH226168A
(en )
1943-03-15
Process for the production of erasable photographs.
CH204453A
(en )
1939-04-30
Process for the production of nickel phthalocyanine.
CH203162A
(en )
1939-02-28
Process for the production of diazotypes.
AT131134B
(en )
1933-01-10
Process for making processed cheese.
CH220402A
(en )
1942-03-31
Process for the production of structures from cellulose xanthate.
CH160177A
(en )
1933-02-28
Process for making shaped articles.
CH202863A
(en )
1939-02-15
Process for the manufacture of paint remover.
AT136660B
(en )
1934-02-26
Process for the production of artificial textile structures.
AT157112B
(en )
1939-09-25
Process for the production of hydrocarbons.
CH160226A
(en )
1933-02-28
Process for the manufacture of blades for centrifugal machines.
CH202093A
(en )
1938-12-31
Process for the production of anode material for electrothermally modulable emitters.
CH157722A
(en )
1932-10-15
Process for the manufacture of turbine blades.
CH156426A
(en )
1932-08-15
Process for the production of chlorosulfonic acid.
CH138369A
(en )
1930-02-28
Process for the production of saw blades.
CH167511A
(en )
1934-02-28
Process for the production of 3-methylalpentane.
CH202522A
(en )
1939-01-31
Process for the production of matting baths.
CH152859A
(en )
1932-02-29
Process for the manufacture of footwear.
AT126944B
(en )
1932-02-25
Process for the production of capacity areas.
CH175343A
(en )
1935-02-28
Process for the production of phenanthrene.
CH152836A
(en )
1932-02-29
Process for the production of rayon.
AT136676B
(en )
1934-02-26
Process for the manufacture of pesticides.
AT136675B
(en )
1934-02-26
Process for the manufacture of pesticides.
AT132015B
(en )
1933-02-25
Process for the production of chromates.
CH200655A
(en )
1938-10-31
Process for the production of hyposulfite.
CH154806A
(en )
1932-05-31
Process for making soda.