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.
CH263233A
(en )
1949-08-31
Device for the continuous production of artificial threads.
CH201230A
(en )
1938-11-30
Method and device for the production of glass threads.
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.
CH210190A
(en )
1940-06-30
Method and device for the production of knitted goods.
CH206425A
(en )
1939-08-15
Process for the electrolytic preparation of per compounds and device for carrying out this process.
CH218042A
(en )
1941-11-30
Method and device for the production of wool substitute fibers from viscose.
CH198464A
(en )
1938-06-30
Method and device for producing screw threads.
AT157112B
(en )
1939-09-25
Process for the production of hydrocarbons.
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.
CH218620A
(en )
1941-12-31
Process for the production of artificial threads.
CH218870A
(en )
1942-01-15
Method and device for the production of fine hollow fibers.
AT140710B
(en )
1935-02-25
Method and device for the production of cam sleepers.
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.
CH212823A
(en )
1940-12-31
Method and device for manufacturing flycatchers.
CH213617A
(en )
1941-02-28
Method and device for the production of polyhydric alcohols.
CH189696A
(en )
1937-03-15
Process for finishing coated bars and apparatus for performing the same.
CH189396A
(en )
1937-02-28
Method and device for the fermentation of solutions.
CH224938A
(en )
1942-12-31
Method and device for the production of artificial threads.
CH203421A
(en )
1939-03-15
Process and device for the production of calcium nitrate with simultaneous production of carbon dioxide.
CH206771A
(en )
1939-08-31
Device for making sharp-edged or obtuse-edged holes.