CH225539A
(en )
1943-02-15
Method and device for the production of synthetic fibers.
CH201230A
(en )
1938-11-30
Method and device for the production of glass threads.
CH213029A
(en )
1941-01-15
Method and device for spinning rayon.
CH217733A
(en )
1941-11-15
Method and device for the production of spinnable man-made staple fibers.
CH205107A
(en )
1939-06-15
Method and device for the production of fiberglass.
CH218042A
(en )
1941-11-30
Method and device for the production of wool substitute fibers from viscose.
CH142428A
(en )
1930-09-30
Smoke filter plugs for cigarette tubes and smoking devices, as well as method and machine for producing the same.
CH173401A
(en )
1934-11-30
Method and device for producing filter plugs for cigarettes.
AT152584B
(en )
1938-02-25
Method and device for producing cigarette filter plugs.
CH201503A
(en )
1938-11-30
Process and device for the production of ammonium nitrate or substances containing ammonium nitrate.
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.
AT140710B
(en )
1935-02-25
Method and device for the production of cam sleepers.
CH212823A
(en )
1940-12-31
Method and device for manufacturing flycatchers.
CH198858A
(en )
1938-07-15
Method and device for preventing self-ignition of haysticks.
CH189396A
(en )
1937-02-28
Method and device for the fermentation of solutions.
CH198464A
(en )
1938-06-30
Method and device for producing screw threads.
CH174108A
(en )
1934-12-31
Method and device for producing perspective drawings.
CH185928A
(en )
1936-08-31
Device for making butter.
CH205677A
(en )
1939-06-30
Process for making porous supports.
CH213617A
(en )
1941-02-28
Method and device for the production of polyhydric alcohols.
AT156836B
(en )
1939-08-25
Device for the production of cigarettes provided with or with filter plugs.
CH208722A
(en )
1940-02-29
Cardboard can package and method and apparatus for making the same.
AT167300B
(en )
1950-12-11
Method and device for the production of mainly sponge-like objects made up of open cells
CH191282A
(en )
1937-06-15
File and method of making the same.