CH225539A
(en )
1943-02-15
Method and device for the production of synthetic fibers.
CH207081A
(en )
1939-09-30
Process and device for the electrolytic oxidation of fine wires.
CH203162A
(en )
1939-02-28
Process for the production of diazotypes.
CH205107A
(en )
1939-06-15
Method and device for the production of fiberglass.
CH220402A
(en )
1942-03-31
Process for the production of structures from cellulose xanthate.
CH210190A
(en )
1940-06-30
Method and device for the production of knitted goods.
CH218042A
(en )
1941-11-30
Method and device for the production of wool substitute fibers from viscose.
AT167300B
(en )
1950-12-11
Method and device for the production of mainly sponge-like objects made up of open cells
CH206946A
(en )
1939-09-15
Method and device for the production of large artificial silk strands.
CH158174A
(en )
1932-11-15
Method and device for the production of road surfaces.
CH201503A
(en )
1938-11-30
Process and device for the production of ammonium nitrate or substances containing ammonium nitrate.
CH213617A
(en )
1941-02-28
Method and device for the production of polyhydric alcohols.
CH212823A
(en )
1940-12-31
Method and device for manufacturing flycatchers.
CH173401A
(en )
1934-11-30
Method and device for producing filter plugs for cigarettes.
CH201663A
(en )
1938-12-15
Method and device for the continuous conversion of coordinates.
CH198464A
(en )
1938-06-30
Method and device for producing screw threads.
AT140710B
(en )
1935-02-25
Method and device for the production of cam sleepers.
CH174108A
(en )
1934-12-31
Method and device for producing perspective drawings.
CH218870A
(en )
1942-01-15
Method and device for the production of fine hollow fibers.
CH225643A
(en )
1943-02-15
Method and device for the production of separators for accumulators.
CH214189A
(en )
1941-04-15
Process for the production of artificial structures from solutions of proteins.
AT159958B
(en )
1940-12-27
Method and device for the production of hollow rubber bodies.
CH189396A
(en )
1937-02-28
Method and device for the fermentation of solutions.
CH195967A
(en )
1938-02-28
Book and method of making the same.
CH183514A
(en )
1936-04-15
Method and device for the production of horse blankets from leather.