CH203162A
(en )
1939-02-28
Process for the production of diazotypes.
AT104722B
(en )
1926-11-25
Process for the production of fertilizers.
AT136660B
(en )
1934-02-26
Process for the production of artificial textile structures.
AT108151B
(en )
1927-12-10
Process for the production of shaped pieces from fibrous materials cemented with Sorel cement.
AT105078B
(en )
1926-12-27
Process for the production of shaped pieces from fibrous materials cemented with Sorel cement.
CH219940A
(en )
1942-03-15
Process for the production of artificial resins.
CH138270A
(en )
1930-02-28
Process for the production of Portland cement from raw materials containing magnesia.
AT121544B
(en )
1931-02-25
Process for the manufacture of fire-resistant building material.
AT121546B
(en )
1931-02-25
Process for the production of plastic decorative material.
AT123984B
(en )
1931-07-25
Method and molding machine for the production of porous panels from cemented fibrous materials.
AT106712B
(en )
1927-06-25
Process for the production of porous building materials.
AT121563B
(en )
1931-02-25
Process for the production of artificial marble.
CH204170A
(en )
1939-04-30
Process for the production of reinforced concrete.
CH145438A
(en )
1931-02-28
Process for the production of primary ferrophosphate.
AT108161B
(en )
1927-12-10
Process for the production of printing blocks.
CH131732A
(en )
1929-02-28
Process for the production of printing blocks.
AT121562B
(en )
1931-02-25
Process for the production of lightweight stones.
AT108840B
(en )
1928-02-10
Process for the production of helical filaments.
AT108680B
(en )
1928-01-25
Process for the manufacture of handicrafts.
AT104733B
(en )
1926-11-25
Process for the production of hydraulic bituminous cement.
CH125709A
(en )
1928-05-01
Process for the production of molten alumina.
CH121244A
(en )
1927-07-01
Process for the production of silver-plated cutlery.
AT127008B
(en )
1932-02-25
Process for the production of plastic compounds containing fillers.
AT106724B
(en )
1927-06-25
Process for the production of cellulose.
AT116528B
(en )
1930-02-25
Process for the production of road surfaces.