CH225539A
(en )
1943-02-15
Method and device for the production of synthetic fibers.
CH227925A
(en )
1943-07-15
Process for the production of erasable photographs.
CH205828A
(en )
1939-06-30
Process for the production of aluminum phthalocyanine.
CH201230A
(en )
1938-11-30
Method and device for the production of glass threads.
CH207058A
(en )
1939-09-30
Process and device for the production of glass fibers.
CH205107A
(en )
1939-06-15
Method and device for the production of fiberglass.
CH203154A
(en )
1939-02-28
Process for the manufacture of mirrors.
CH182661A
(en )
1936-02-29
Method and device for the production of glass vessels.
CH158174A
(en )
1932-11-15
Method and device for the production of road surfaces.
CH206946A
(en )
1939-09-15
Method and device for the production of large artificial silk strands.
CH189156A
(en )
1937-05-01
Process for the production of security paper.
AT144733B
(en )
1936-02-25
Process for the production of disinfecting and preserving agents.
CH203421A
(en )
1939-03-15
Process and device for the production of calcium nitrate with simultaneous production of carbon dioxide.
CH175269A
(en )
1935-02-28
Plant containers and method of making the same.
AT140710B
(en )
1935-02-25
Method and device for the production of cam sleepers.
CH189396A
(en )
1937-02-28
Method and device for the fermentation of solutions.
AT160169B
(en )
1941-02-25
Process for the production of canned food.
CH202645A
(en )
1939-01-31
Method and device for the production of hermetically sealable vessels.
AT159958B
(en )
1940-12-27
Method and device for the production of hollow rubber bodies.
CH167511A
(en )
1934-02-28
Process for the production of 3-methylalpentane.
CH182873A
(en )
1936-02-29
Process for the production of chrysene.
AT155625B
(en )
1939-02-25
Process for the production of copolymers.
CH218870A
(en )
1942-01-15
Method and device for the production of fine hollow fibers.
AT148723B
(en )
1937-02-25
Process for the production of rubber or similar panels.
CH175343A
(en )
1935-02-28
Process for the production of phenanthrene.