CH337656A
(en )
1959-04-15
Process for the production of artificial masses
CH322260A
(en )
1957-06-15
Process for the production of N-methylol-polypyrrolidones
AT175782B
(en )
1953-08-10
Process for the production of semi-pulp
CH315654A
(en )
1956-08-31
Process for the production of molds for the precision casting process
AT202283B
(en )
1959-02-25
Process for the production of molds for precision casting
AT175019B
(en )
1953-05-26
Process for the production of molds for the precision casting process
AT186787B
(en )
1956-09-10
Process for the production of molds for the precision casting process
AT179386B
(en )
1954-08-25
Process for the production of molds for the precision casting process
AT185038B
(en )
1956-03-26
Process for the cooling of continuous casting molds
AT187053B
(en )
1956-10-10
Process for the production of cation exchangers
AT185566B
(en )
1956-05-11
Process for the production of molds for injection molding
AT179289B
(en )
1954-08-10
Process for the production of halofluoroethenes
AT177794B
(en )
1954-03-10
Process for the production of high quality cast iron
AT177795B
(en )
1954-03-10
Process for the production of high quality cast iron
AT173802B
(en )
1953-01-26
Sprue for the molds for the production of steel mills
AT188513B
(en )
1957-01-25
Process for the production of casting resins
CH322257A
(en )
1957-06-15
Process for the production of rubber
AT178906B
(en )
1954-06-25
Process for the production of new urethanes
CH360170A
(en )
1962-02-15
Process for the production of molds for foundry purposes
AT176977B
(en )
1953-12-10
Process for the production of moldings
AT179026B
(en )
1954-07-10
Process for the production of metallic hollow bodies by centrifugal casting
AT180410B
(en )
1954-12-10
Process for the production of copper-boron alloys
AT179024B
(en )
1954-07-10
Process for the production of cast cores for metal foundries
AT177781B
(en )
1954-03-10
Process for the production of new bis-phenyl-thioureas
AT171714B
(en )
1952-06-25
Process for the production of new haloaryl-pyridyl-alkanones