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.
CH158174A
(en )
1932-11-15
Method and device for the production of road surfaces.
CH152812A
(en )
1932-02-29
Method and device for the production of cement.
CH206946A
(en )
1939-09-15
Method and device for the production of large artificial silk strands.
AT121847B
(en )
1931-03-10
Method and device for the production of knotted carpets.
CH144066A
(en )
1930-12-15
File and method of making the same.
CH150236A
(en )
1931-10-31
Method and device for the production of artificial slate panels.
AT140710B
(en )
1935-02-25
Method and device for the production of cam sleepers.
CH145390A
(en )
1931-02-28
Process and furnace system for the production of molten cement.
AT108627B
(en )
1928-01-25
Method and device for the production of spiral-shaped incandescent bodies.
CH152869A
(en )
1932-02-29
Method and device for denicotinization of tobacco.
AT121563B
(en )
1931-02-25
Process for the production of artificial marble.
AT111009B
(en )
1928-10-25
Method and device for making collars.
CH218870A
(en )
1942-01-15
Method and device for the production of fine hollow fibers.
CH182727A
(en )
1936-02-29
Process and device for the production of low-boiling hydrocarbons.
AT121544B
(en )
1931-02-25
Process for the manufacture of fire-resistant building material.
CH153040A
(en )
1932-02-29
Process for the preparation of 3-diethylamino-2-dimethyl-1-benzoyloxypropane.
AT130635B
(en )
1932-12-10
Process for the production of emulsions.
CH153036A
(en )
1932-02-29
Process for the preparation of 1-m-oxyphenyl-2-methylamino-propan-1-ol.
CH122398A
(en )
1927-09-16
Electrode and method of making the same.
AT131866B
(en )
1933-02-25
Process for the production of porous structures or the like from plaster.
AT121552B
(en )
1931-02-25
Process for the production of rapidly setting road surfaces.
AT132079B
(en )
1933-02-25
Method and device for the production of transfer printing templates.
AT138141B
(en )
1934-06-25
Method and device for the production of hollow blocks and masonry bricks.