CH205107A
(en )
1939-06-15
Method and device for the production of fiberglass.
AT108627B
(en )
1928-01-25
Method and device for the production of spiral-shaped incandescent bodies.
CH158174A
(en )
1932-11-15
Method and device for the production of road surfaces.
AT107988B
(en )
1927-11-25
Method and device for processing cellulose.
AT116460B
(en )
1930-02-25
Process for the improvement and manufacture of base-exchanging substances.
CH122398A
(en )
1927-09-16
Electrode and method of making the same.
CH152812A
(en )
1932-02-29
Method and device for the production of cement.
AT111009B
(en )
1928-10-25
Method and device for making collars.
CH213617A
(en )
1941-02-28
Method and device for the production of polyhydric alcohols.
AT140710B
(en )
1935-02-25
Method and device for the production of cam sleepers.
CH144066A
(en )
1930-12-15
File and method of making the same.
AT116569B
(en )
1930-02-25
Process for the production of feet for centerless light bulbs and the like
AT102642B
(en )
1926-02-25
Method and device for the production of squibs.
AT112353B
(en )
1929-02-25
Process for making hardened casein products and the like like
AT108110B
(en )
1927-11-25
Method and device for the electrolysis of chlor-alkalis.
AT108680B
(en )
1928-01-25
Process for the manufacture of handicrafts.
AT116382B
(en )
1930-02-25
Process for the preparation of perylene and its derivatives.
AT159958B
(en )
1940-12-27
Method and device for the production of hollow rubber bodies.
AT116526B
(en )
1930-02-25
Process for the production of synthetic ammonia.
AT116528B
(en )
1930-02-25
Process for the production of road surfaces.
AT130635B
(en )
1932-12-10
Process for the production of emulsions.
CH130314A
(en )
1928-11-30
Process for the production of anhydrous and oxide-free lithium chloride.
CH145438A
(en )
1931-02-28
Process for the production of primary ferrophosphate.
AT157970B
(en )
1940-02-26
Method and device for the production of water gas.
AT96155B
(en )
1924-02-25
Process for the production of unfired, manageable Dinas and silica stones.