CH228439A
(en )
1943-08-31
Process for the production of shaped structures.
CH214631A
(en )
1941-05-15
Process for the production of diazotypes.
CH221014A
(en )
1942-05-15
Process for the production of sebacic acid.
CH203162A
(en )
1939-02-28
Process for the production of diazotypes.
CH214020A
(en )
1941-03-31
Process for the manufacture of selenium rectifiers.
CH203247A
(en )
1939-02-28
Process for the manufacture of dry plate rectifiers.
AT157112B
(en )
1939-09-25
Process for the production of hydrocarbons.
CH213615A
(en )
1941-02-28
Process for the production of shoes, in particular felt slippers.
CH231070A
(en )
1944-02-29
Process for the production of artificial leather.
CH217627A
(en )
1941-10-31
Process for the manufacture of prostheses.
CH213808A
(en )
1941-03-15
Process for the manufacture of barrier photocells.
CH209618A
(en )
1940-04-30
Process for the production of artificial threads.
CH212859A
(en )
1940-12-31
Process for the production of paints.
CH219940A
(en )
1942-03-15
Process for the production of artificial resins.
CH229408A
(en )
1943-10-31
Process for the manufacture of rigid shoe caps.
CH236572A
(en )
1945-02-28
Process for the manufacture of shoe soles.
CH205157A
(en )
1939-06-15
Process for the production of pure clay.
CH224213A
(en )
1942-11-15
Process for the production of polyether.
CH238119A
(en )
1945-06-30
Process for the production of rayon.
CH211648A
(en )
1940-10-15
Process for the production of so-called mixed acid.
CH202522A
(en )
1939-01-31
Process for the production of matting baths.
CH236716A
(en )
1945-02-28
Process for the production of x-chloro-e-methyl-e-caprolactam.
AT134398B
(en )
1933-07-25
Process for the manufacture of bespoke footwear.
AT158147B
(en )
1940-03-11
Process for the production of coverings, in particular floor or wall coverings.
CH182705A
(en )
1936-02-29
Process for the manufacture of footwear.