CH225539A
(en )
1943-02-15
Method and device for the production of synthetic fibers.
CH176902A
(en )
1935-05-15
Device for the production of crinkled or crepe-like fabrics.
CH205107A
(en )
1939-06-15
Method and device for the production of fiberglass.
CH176940A
(en )
1935-05-15
Process for the production of polyvinyl esters.
CH219953A
(en )
1942-03-15
Process for making colored photographic material.
AT144659B
(en )
1936-02-25
Method and device for the production of fabrics with a covering made of rubber plates.
CH158174A
(en )
1932-11-15
Method and device for the production of road surfaces.
CH174108A
(en )
1934-12-31
Method and device for producing perspective drawings.
CH173401A
(en )
1934-11-30
Method and device for producing filter plugs for cigarettes.
CH212823A
(en )
1940-12-31
Method and device for manufacturing flycatchers.
AT167300B
(en )
1950-12-11
Method and device for the production of mainly sponge-like objects made up of open cells
AT140710B
(en )
1935-02-25
Method and device for the production of cam sleepers.
AT98921B
(en )
1924-12-27
Method and device for the production of cores covered with fiber material.
CH210615A
(en )
1940-07-31
Process for the production of artificial rubber.
AT159958B
(en )
1940-12-27
Method and device for the production of hollow rubber bodies.
AT148720B
(en )
1937-02-25
Process for the production of floor coverings provided with colored patterns and. like
AT140652B
(en )
1935-02-25
Method and device for the production of pipes reinforced in places from fiber cement.
CH210952A
(en )
1940-08-15
Device for making flycatchers.
CH160123A
(en )
1933-02-28
Process for the production of structures with cavities.
CH215362A
(en )
1941-06-30
Process for the production of bituminous substances with improved adhesion and spreading properties.
AT148694B
(en )
1937-02-25
Process for the production of compressed yeast.
AT157965B
(en )
1940-02-26
Method and device for the production of rubber threads.
AT144751B
(en )
1936-02-25
Method of making roads.
CH183514A
(en )
1936-04-15
Method and device for the production of horse blankets from leather.
AT157969B
(en )
1940-02-26
Process for the production of colored artificial leather.