CH216125A
(en )
1941-07-31
Process for the production of erasable photographs.
CH203162A
(en )
1939-02-28
Process for the production of diazotypes.
CH202863A
(en )
1939-02-15
Process for the manufacture of paint remover.
CH203154A
(en )
1939-02-28
Process for the manufacture of mirrors.
CH204534A
(en )
1939-05-15
Process for the production of photographic layers.
CH217627A
(en )
1941-10-31
Process for the manufacture of prostheses.
AT134398B
(en )
1933-07-25
Process for the manufacture of bespoke footwear.
CH182705A
(en )
1936-02-29
Process for the manufacture of footwear.
CH167511A
(en )
1934-02-28
Process for the production of 3-methylalpentane.
CH152859A
(en )
1932-02-29
Process for the manufacture of footwear.
CH181180A
(en )
1935-12-15
Process for the manufacture of pesticides.
CH208002A
(en )
1939-12-31
Process for the preparation of 1-amino-2-chloro-4-nitrobenzene-6-sulfonic acid.
CH221831A
(en )
1942-06-15
Process for the preparation of 2-chloro-6-nitro-1-aminobenzene-4-sulfonic acid.
CH203131A
(en )
1939-02-28
Process for the preparation of 3-acetoxy-bisnor-5-cholenic acid.
CH159142A
(en )
1932-12-31
Process for the production of chlorosulfonic acid.
CH208742A
(en )
1940-02-29
Method of making shoe heels.
AT136675B
(en )
1934-02-26
Process for the manufacture of pesticides.
AT136676B
(en )
1934-02-26
Process for the manufacture of pesticides.
CH175413A
(en )
1935-02-28
Process for making transparencies.
CH208878A
(en )
1940-02-29
Process for the preparation of 2-acetoacetylamino-5-methoxy-6-ethoxy-benzothiazole.
CH236572A
(en )
1945-02-28
Process for the manufacture of shoe soles.
CH175343A
(en )
1935-02-28
Process for the production of phenanthrene.
AT136673B
(en )
1934-02-26
Process for the production of high-protein diabetic food.
AT158025B
(en )
1940-02-26
Method of making slippers.
CH175471A
(en )
1935-02-28
Process for the preparation of 3-amino-4-oxy-5-methoxybenzene-1-arsic acid.