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.
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.
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.
CH206946A
(en )
1939-09-15
Method and device for the production of large artificial silk strands.
CH213201A
(en )
1941-01-31
Method of promoting the growth of plants.
CH174108A
(en )
1934-12-31
Method and device for producing perspective drawings.
CH201663A
(en )
1938-12-15
Method and device for the continuous conversion of coordinates.
CH173401A
(en )
1934-11-30
Method and device for producing filter plugs for cigarettes.
CH189396A
(en )
1937-02-28
Method and device for the fermentation of solutions.
CH212823A
(en )
1940-12-31
Method and device for manufacturing flycatchers.
CH152993A
(en )
1932-02-29
Method and device for the continuous production of ice.
CH218870A
(en )
1942-01-15
Method and device for the production of fine hollow fibers.
CH213617A
(en )
1941-02-28
Method and device for the production of polyhydric alcohols.
CH198464A
(en )
1938-06-30
Method and device for producing screw threads.
AT159958B
(en )
1940-12-27
Method and device for the production of hollow rubber bodies.
CH182661A
(en )
1936-02-29
Method and device for the production of glass vessels.
CH208722A
(en )
1940-02-29
Cardboard can package and method and apparatus for making the same.
CH152812A
(en )
1932-02-29
Method and device for the production of cement.
CH150236A
(en )
1931-10-31
Method and device for the production of artificial slate panels.
AT108110B
(en )
1927-11-25
Method and device for the electrolysis of chlor-alkalis.
AT132079B
(en )
1933-02-25
Method and device for the production of transfer printing templates.
AT140767B
(en )
1935-02-25
Collar and method and device for making the same.