CH207058A
(en )
1939-09-30
Process and device for the production of glass fibers.
CH160729A
(en )
1933-03-31
Process for the manufacture of wire ropes and cables with non-circular wires of high strength and the device for practicing this process.
CH158174A
(en )
1932-11-15
Method and device for the production of road surfaces.
CH153009A
(en )
1932-02-29
Method and device for the production of cable strands of non-circular cross-section.
CH160118A
(en )
1933-02-28
Method and device for ventilation of rooms.
AT179464B
(en )
1954-09-10
Method and device for the production of gutters u. like
FR719346A
(en )
1932-02-04
Process for preforming strands and cables
AT105677B
(en )
1927-02-25
Method and device for the production of stranded conductors.
CH174108A
(en )
1934-12-31
Method and device for producing perspective drawings.
AT121847B
(en )
1931-03-10
Method and device for the production of knotted carpets.
CH152812A
(en )
1932-02-29
Method and device for the production of cement.
AT105667B
(en )
1927-02-25
Method and device for the production of stranded conductors with a non-circular cross-section.
AT140710B
(en )
1935-02-25
Method and device for the production of cam sleepers.
CH152993A
(en )
1932-02-29
Method and device for the continuous production of ice.
CH150236A
(en )
1931-10-31
Method and device for the production of artificial slate panels.
CH200687A
(en )
1938-10-31
Method and device for the production of electroplated rolled products.
CH225643A
(en )
1943-02-15
Method and device for the production of separators for accumulators.
CH182727A
(en )
1936-02-29
Process and device for the production of low-boiling hydrocarbons.
AT167300B
(en )
1950-12-11
Method and device for the production of mainly sponge-like objects made up of open cells
AT159958B
(en )
1940-12-27
Method and device for the production of hollow rubber bodies.
CH198464A
(en )
1938-06-30
Method and device for producing screw threads.
AT132079B
(en )
1933-02-25
Method and device for the production of transfer printing templates.
CH182661A
(en )
1936-02-29
Method and device for the production of glass vessels.
AT138141B
(en )
1934-06-25
Method and device for the production of hollow blocks and masonry bricks.
CH138469A
(en )
1930-02-28
Method and tool for the production of metal strip connections.