CH201283A
(en )
1938-11-30
Process for the production of alkali aluminates.
CH213229A
(en )
1941-01-31
Machine for making patterned textile goods.
CH208170A
(en )
1940-01-15
Machine for the continuous production of patterned textile goods.
CH203162A
(en )
1939-02-28
Process for the production of diazotypes.
AT157112B
(en )
1939-09-25
Process for the production of hydrocarbons.
CH204534A
(en )
1939-05-15
Process for the production of photographic layers.
CH223553A
(en )
1942-09-30
Process for the production of security paper.
CH200352A
(en )
1938-10-15
Machine for the production of zippers.
CH203156A
(en )
1939-02-28
Process for the production of carbonless paper.
CH189156A
(en )
1937-05-01
Process for the production of security paper.
CH218620A
(en )
1941-12-31
Process for the production of artificial threads.
CH216172A
(en )
1941-08-15
Process for the production of carbon paper.
SU51152A1
(en )
1936-11-30
The method of producing bourbonal
CH205014A
(en )
1939-05-31
Process for the preparation of B- (p-oxyphenyl) -isopropylmethylamine.
CH238119A
(en )
1945-06-30
Process for the production of rayon.
CH205016A
(en )
1939-05-31
Process for the preparation of B- (p-oxyphenyl) -isopropylmethylamine.
CH187762A
(en )
1936-11-30
Machine for making tires.
CH196130A
(en )
1938-02-28
Device for the production of full leno fabrics.
AT155958B
(en )
1939-04-25
Process for the production of patterned weaving effects.
CH224643A
(en )
1942-12-15
Process for the preparation of p, p'-di-aminophenyl-pyridyl-sulfone.
CH205157A
(en )
1939-06-15
Process for the production of pure clay.
AT152582B
(en )
1938-02-25
Process for the production of light-sensitive layers.
CH167129A
(en )
1934-02-15
Spinneret for the production of rayon.
CH231011A
(en )
1944-02-15
Process for the preparation of B- (p-oxyphenyl) -isopropyl-ethylamine.
CH205011A
(en )
1939-05-31
Process for the preparation of B- (p-oxyphenyl) -isopropylmethylamine.