CH51312A
(en )
1911-08-16
Process for refining metal alloys
CH52433A
(en )
1911-11-16
Process for separating alkali metal from its alloys
CH51989A
(en )
1911-10-16
Process for melting and casting magnesium and its alloys
CH67012A
(en )
1914-11-02
Process for decarburizing metals
CH66774A
(en )
1914-10-01
Process for cleaning metals
CH75890A
(en )
1917-10-01
Process for detinning tinplate waste
CH56096A
(en )
1912-10-01
Process for cleaning metal objects
AT68005B
(en )
1915-02-25
Process for rolling metal.
CH48976A
(en )
1910-12-16
Process for making objects having metal surfaces bright
CH51444A
(en )
1911-09-01
Method for lining containers
CH41606A
(en )
1908-11-02
Process for tinning cast iron
CH61744A
(en )
1913-10-16
Process for hardening metals
AT57432B
(en )
1913-01-25
Process for processing anode sludge from electrolytic metal refining.
FR413170A
(en )
1910-08-02
Process for ore reduction
CH48849A
(en )
1910-12-01
Process for the production of sparking metal alloys
FR414108A
(en )
1910-08-26
Process for improving metal alloys
CH63847A
(en )
1914-02-16
Process for the electrowinning of alkali metals from molten alkali haloids
DK18184C
(en )
1913-12-01
Method for electrolytic refining of metals.
AT32027B
(en )
1908-02-25
Process for refining metals using metallic calcium.
CH51313A
(en )
1911-08-16
Process for oxy-fuel welding, cutting and soldering of metals
DK14488C
(en )
1911-04-18
Process for refining magnesium-containing aluminum alloys.
AT74179B
(en )
1918-02-25
Process for briquetting fine-grained materials for metallurgical purposes.
CH52754A
(en )
1911-12-16
Process for separating sodium from lead sodium
CH51988A
(en )
1911-10-02
Process for the preparation of sodium metal
CH66970A
(en )
1914-10-16
Process for facilitating the melting of meltable materials