AT9294B
(en )
1902-10-10
Amalgamation process for the extraction of precious metals.
AT9293B
(en )
1902-10-10
Amalgamation process for the extraction of precious metals.
AT70348B
(en )
1915-10-25
Process for the production of technically valuable products.
AT9228B
(en )
1902-09-25
Process for the electrolytic extraction of metal from ores.
AT27488B
(en )
1907-02-11
Process for processing metals by means of an electric arc.
AT51453B
(en )
1911-12-27
Process for the treatment of ores containing precious metals.
AT9569B
(en )
1902-10-25
Device for the treatment of slag u. like. with gases.
AT25653B
(en )
1906-09-10
Process for the mechanical separation of metal sulfides from ores.
AT53301B
(en )
1912-04-25
Process for the electrolytic separation of mercury from poor ores.
AT9764B
(en )
1902-11-10
Process for the manufacture of refractory bodies.
AT9941B
(en )
1902-11-25
Process for the production of collector electrodes from finely divided lead.
AT9292B
(en )
1902-10-10
Process for steel production according to the Siemens-Martin process.
AT62412B
(en )
1913-12-10
Process for leaching copper ores.
AT31389B
(en )
1908-01-10
Process for the electrowinning of metallic zinc.
AT25807B
(en )
1906-09-25
Process for briquetting scrap metal and ores.
AT28171B
(en )
1907-04-25
Process for the extraction of copper or lead from poor ores.
AT9227B
(en )
1902-09-25
Process for the electrolytic production of nickel.
AT49024B
(en )
1911-07-25
Process for separating and refining metals.
AT48195B
(en )
1911-05-26
Process for the production of albumin soap.
AT9990B
(en )
1902-11-25
Process and apparatus for the production of metal or metalloid carbides.
AT9478B
(en )
1902-10-25
Process for the production of carbide compacts.
AT9417B
(en )
1902-10-10
Disinfection process.
AT44374B
(en )
1910-10-10
Procedure for representing formats.
AT38403B
(en )
1909-08-25
Process for the preparation of ores through precipitation work.
AT49222B
(en )
1911-07-25
Process for the manufacture of the industrial end of wrought iron strikers for padlocks.