AT132051B
(en )
1933-02-25
Process for the production of security paper.
AT121544B
(en )
1931-02-25
Process for the manufacture of fire-resistant building material.
AT121440B
(en )
1931-02-25
Process for the production of durable plastering mortar for architectural purposes.
CH145438A
(en )
1931-02-28
Process for the production of primary ferrophosphate.
AT106712B
(en )
1927-06-25
Process for the production of porous building materials.
AT108680B
(en )
1928-01-25
Process for the manufacture of handicrafts.
AT130635B
(en )
1932-12-10
Process for the production of emulsions.
CH131687A
(en )
1929-02-28
Process for the production of hot cathodes.
GR1374B
(en )
1926-12-30
METHOD FOR THE MANUFACTURE OF PERPOSE BUILDING MATERIALS.
AT109112B
(en )
1928-03-26
Process for the manufacture of oxide cathodes.
AT108161B
(en )
1927-12-10
Process for the production of printing blocks.
CH131732A
(en )
1929-02-28
Process for the production of printing blocks.
AT107954B
(en )
1927-11-25
Process for the production of oxide hot cathodes.
CH153040A
(en )
1932-02-29
Process for the preparation of 3-diethylamino-2-dimethyl-1-benzoyloxypropane.
AT116528B
(en )
1930-02-25
Process for the production of road surfaces.
AT110399B
(en )
1928-08-10
Process for the manufacture of telephone cables.
AT121563B
(en )
1931-02-25
Process for the production of artificial marble.
AT121557B
(en )
1931-02-25
Process for the manufacture of colored ceramic products.
AT121546B
(en )
1931-02-25
Process for the production of plastic decorative material.
CH207469A
(en )
1939-11-15
Process for the manufacture of surface-colored road surfacing or other building material.
AT127005B
(en )
1932-02-25
Process for the production of condensation products.
AT121547B
(en )
1931-02-25
Process for the manufacture of rubber articles.
CH152813A
(en )
1932-02-29
Process for the production of shaped calcium oxide.
CH131592A
(en )
1929-02-28
Process for the preparation of 1-amino-2,4-dimethyl-5-chlorobenzene.
CH152859A
(en )
1932-02-29
Process for the manufacture of footwear.