AT104722B
(en )
1926-11-25
Process for the production of fertilizers.
AT136660B
(en )
1934-02-26
Process for the production of artificial textile structures.
AT107673B
(en )
1927-10-25
Machine for the production of hollow glass bodies.
CH114455A
(en )
1926-04-01
Machine for the production of hollow glass bodies.
AT131979B
(en )
1933-02-25
Machine for the production of hinges.
AT110356B
(en )
1928-08-10
Machine for the production of glass objects.
AT106141B
(en )
1927-04-11
Machine for the production of paper tubes.
CH100241A
(en )
1923-07-16
Device for the production of hollow bodies.
AT121562B
(en )
1931-02-25
Process for the production of lightweight stones.
ES93782A1
(en )
1925-07-16
Machine for the manufacture of hollow glass bodies.
AT105031B
(en )
1926-12-27
Process for the production of viscose.
AT116575B
(en )
1930-02-25
Machine for the production of wooden pencils.
AT107033B
(en )
1927-08-10
Machine for the production of posters or the like.
AT109479B
(en )
1928-04-25
Machine for the production of thin-walled hollow glass objects.
DK37541C
(en )
1927-05-30
Machine for the production of hollow glass bodies.
AT108161B
(en )
1927-12-10
Process for the production of printing blocks.
CH131732A
(en )
1929-02-28
Process for the production of printing blocks.
AT126970B
(en )
1932-02-25
Process for the production of laminated glass.
AT136623B
(en )
1934-02-26
Process for the production of photocells.
CH145438A
(en )
1931-02-28
Process for the production of primary ferrophosphate.
CH131687A
(en )
1929-02-28
Process for the production of hot cathodes.
CH152836A
(en )
1932-02-29
Process for the production of rayon.
DK37729C
(en )
1927-07-18
Machine for the production of hollow glass objects.
AT121547B
(en )
1931-02-25
Process for the manufacture of rubber articles.
CH125709A
(en )
1928-05-01
Process for the production of molten alumina.