AT136660B
(en )
1934-02-26
Process for the production of artificial textile structures.
CH145390A
(en )
1931-02-28
Process and furnace system for the production of molten cement.
AT132051B
(en )
1933-02-25
Process for the production of security paper.
CH152611A
(en )
1932-02-15
Process for the production of diazo preparations.
AT121562B
(en )
1931-02-25
Process for the production of lightweight stones.
CH152812A
(en )
1932-02-29
Method and device for the production of cement.
AT121544B
(en )
1931-02-25
Process for the manufacture of fire-resistant building material.
CH131625A
(en )
1929-02-28
Process for the production of cast iron.
CH131687A
(en )
1929-02-28
Process for the production of hot cathodes.
AT121552B
(en )
1931-02-25
Process for the production of rapidly setting road surfaces.
AT121563B
(en )
1931-02-25
Process for the production of artificial marble.
CH152813A
(en )
1932-02-29
Process for the production of shaped calcium oxide.
CH145392A
(en )
1931-02-28
Process for the manufacture of reinforced glass and glass manufactured from it.
AT121557B
(en )
1931-02-25
Process for the manufacture of colored ceramic products.
AT116464B
(en )
1930-02-25
Process for the production of metal chlorides.
AT138141B
(en )
1934-06-25
Method and device for the production of hollow blocks and masonry bricks.
CH145438A
(en )
1931-02-28
Process for the production of primary ferrophosphate.
AT107954B
(en )
1927-11-25
Process for the production of oxide hot cathodes.
AT126992B
(en )
1932-02-25
Process for the production of acid anhydrides.
AT127001B
(en )
1932-02-25
Process for the continuous production of water gas.
AT127005B
(en )
1932-02-25
Process for the production of condensation products.
CH131624A
(en )
1929-02-28
Process for the production of metals and alloys.
AT116528B
(en )
1930-02-25
Process for the production of road surfaces.
AT96155B
(en )
1924-02-25
Process for the production of unfired, manageable Dinas and silica stones.
CH125709A
(en )
1928-05-01
Process for the production of molten alumina.