AT27651B
(en )
1907-02-25
Process for hardening copper and copper alloys.
AT181608B
(en )
1955-04-12
Process for refining metals
AT32027B
(en )
1908-02-25
Process for refining metals using metallic calcium.
AT23795B
(en )
1906-04-10
Process for the refinement of iron ores u. like
AT31968B
(en )
1908-02-25
Process for hardening soft tantalum metal.
AT36182B
(en )
1909-02-10
Process for agglomeration of fine-grained or powdered ores.
AT46589B
(en )
1911-02-25
Method of welding cast iron.
CH41454A
(en )
1908-10-16
Process for deoxidizing and carbonizing liquid iron
AT54816B
(en )
1912-08-10
Process and installation for the continuous tanning of hides.
AT36415B
(en )
1909-02-25
Process for the production of molten metals and alloys using the aluminothermic type.
AT26141B
(en )
1906-10-25
Process for refining zinc and other metals by distilling them in continuous operations.
AT42154B
(en )
1910-05-10
Method and device for lautering mash.
AT43571B
(en )
1910-08-10
Process for processing refractory zinc-lead ores.
CH41606A
(en )
1908-11-02
Process for tinning cast iron
AT31879B
(en )
1908-02-25
Device for automatic entry of bottles u. Like. From the work places in the cooling furnaces.
AT46702B
(en )
1911-02-25
Process for the electrodeposition of copper.
CH38246A
(en )
1907-09-30
Wind furnace for melting metals
AT26150B
(en )
1906-10-25
Process for the production of solder pastes.
CH33251A
(en )
1905-11-15
Device for clamping workpieces
AT32031B
(en )
1908-02-25
Process for refining sugar.
AT23741B
(en )
1906-04-10
Method and device for lifting liquids.
AT23742B
(en )
1906-04-10
Method and device for lifting liquids.
FR355026A
(en )
1905-10-21
Process for hardening and quenching copper and copper alloys
CH47091A
(en )
1910-06-01
Process and device for heating work equipment
CH48976A
(en )
1910-12-16
Process for making objects having metal surfaces bright