CH225539A
(en )
1943-02-15
Method and device for the production of synthetic fibers.
CH205107A
(en )
1939-06-15
Method and device for the production of fiberglass.
CH217733A
(en )
1941-11-15
Method and device for the production of spinnable man-made staple fibers.
CH218042A
(en )
1941-11-30
Method and device for the production of wool substitute fibers from viscose.
AT140652B
(en )
1935-02-25
Method and device for the production of pipes reinforced in places from fiber cement.
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.
CH160109A
(en )
1933-02-28
Method and device for connecting concrete reinforcement wires.
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.
CH173401A
(en )
1934-11-30
Method and device for producing filter plugs for cigarettes.
CH150236A
(en )
1931-10-31
Method and device for the production of artificial slate panels.
AT140767B
(en )
1935-02-25
Collar and method and device for making the same.
CH201663A
(en )
1938-12-15
Method and device for the continuous conversion of coordinates.
CH152812A
(en )
1932-02-29
Method and device for the production of cement.
CH213617A
(en )
1941-02-28
Method and device for the production of polyhydric alcohols.
AT138141B
(en )
1934-06-25
Method and device for the production of hollow blocks and masonry bricks.
CH198464A
(en )
1938-06-30
Method and device for producing screw threads.
AT167300B
(en )
1950-12-11
Method and device for the production of mainly sponge-like objects made up of open cells
CH189396A
(en )
1937-02-28
Method and device for the fermentation of solutions.
CH183514A
(en )
1936-04-15
Method and device for the production of horse blankets from leather.
AT157970B
(en )
1940-02-26
Method and device for the production of water gas.
AT170913B
(en )
1952-04-10
Method and device for the production of panels from fiber materials, in particular fiber cement
AT168657B
(en )
1951-07-10
Method and device for the production of panels from fiber materials, in particular fiber cement
CH218870A
(en )
1942-01-15
Method and device for the production of fine hollow fibers.