Aluminium alloy for manufacturing semi-finished products by shaping
CS680482A1
Device for gaining of copper from bimetalic waste
CS228814B1
Aluminnium alloy for manufacturing profiled pressed pro
CS228623B1
Process for the extraction of cobalt from waste catalyzers
CS225179B1
Aluminium alloy for manufacture of pressed sections
CS216282B1
Method of decreasing the contents of the electropositive metals and cathode metal by making the metals by the electrolysis and facility for executing the same
CS214356B1
Method of decrease of iron and calcium content in raw materials determined for manufacture of magnesite refractory materials
CS218072B1
Method of refining the salt solutions from more electropositive metal impurities and appliance for realizing the same
CS211005B1
Aluminium alloy for manufacture of pressed profiles treated by hardening with ultimate and tensile strength greater than 300 mpa
CS204741B1
Copper concentrate smelting furnace
CS205433B1
Equipment for manufacture of pure magnesia by chloridizing roasting
CS196798B1
Method for the electrolytic rafination of antimony from arsenic and copper
CS193918B1
Device for the exhaustion of waste gases from converters for obtaining copper
CS192116B1
Method of the pyremetallurgical production of pure antimony trioxide and device for making the method
CS180225B1
Method of electrolytical refining antimony from bismuth
CS179112B1
Apparatus for refining magnesite materials by segregating roasting
CS224001B1
Method of treatment of complex polymetallic concentrate and equipment for realization of the method
CS186896B1
Pyrite additive in slag for increasing yield of copper at the pyrometallurgical continuous production of copper
CS180779B1
Process of obtaining magnesite materials with low content of iron and calcium
