AT132051B
(en )
1933-02-25
Process for the production of security paper.
AT121507B
(en )
1931-02-25
Conical worm cutter for the production of worm wheels.
CH152611A
(en )
1932-02-15
Process for the production of diazo preparations.
AT131979B
(en )
1933-02-25
Machine for the production of hinges.
CH119736A
(en )
1927-04-01
Type strips for the production of type wheels.
AT121562B
(en )
1931-02-25
Process for the production of lightweight stones.
AT110356B
(en )
1928-08-10
Machine for the production of glass objects.
AT116575B
(en )
1930-02-25
Machine for the production of wooden pencils.
AT123847B
(en )
1931-07-25
Process for the production of hydrophobic resins.
AT136623B
(en )
1934-02-26
Process for the production of photocells.
AT121409B
(en )
1931-02-25
Block gluing process for the production of plywood middle layers.
AT126970B
(en )
1932-02-25
Process for the production of laminated glass.
CH152836A
(en )
1932-02-29
Process for the production of rayon.
AT126992B
(en )
1932-02-25
Process for the production of acid anhydrides.
CH160178A
(en )
1933-02-28
Process for the production of security paper.
AT130635B
(en )
1932-12-10
Process for the production of emulsions.
CH145438A
(en )
1931-02-28
Process for the production of primary ferrophosphate.
CH145441A
(en )
1931-02-28
Process for the microbiological production of 2.3-butylene glycol.
CH138369A
(en )
1930-02-28
Process for the production of saw blades.
CH153040A
(en )
1932-02-29
Process for the preparation of 3-diethylamino-2-dimethyl-1-benzoyloxypropane.
AT107673B
(en )
1927-10-25
Machine for the production of hollow glass bodies.
CH114455A
(en )
1926-04-01
Machine for the production of hollow glass bodies.
AT126981B
(en )
1932-02-25
Process for the production of anti-friction alloys.
CH131687A
(en )
1929-02-28
Process for the production of hot cathodes.
CH138300A
(en )
1930-02-28
Process for the production of dye powders.