SU1723167A1
|
|
Method of oxidized nickel ore processing
|
RU1788052C
|
|
Method of processing iron-containing sulfide concentrates
|
SU1710722A1
|
|
Percussion unit
|
SU1749280A1
|
|
Method of processing nickel converter matte
|
SU1742706A1
|
|
Method of determination of thiourea and adhesive content in copper electric-refining solutions
|
SU1691446A1
|
|
Device for sliding rails
|
SU1693249A1
|
|
Method of driving ascending workings
|
SU1693266A1
|
|
Method for loading lumpy rock to transport facility
|
SU1760106A1
|
|
Cutter for mining machines
|
SU1696937A1
|
|
Disk-shaped specimen for studying the speed of solid substance dissolution in metallurgic melts
|
SU1656011A1
|
|
Method of electrolytic refining of nickel
|
SU1666697A1
|
|
Working unit of heading machine
|
SU1698527A1
|
|
Jointing of ends of cable-reinforced belt
|
SU1657915A1
|
|
Method of preparation of melting furnace for replacement of furnace lining holes
|
SU1671553A1
|
|
Belt conveyer
|
SU1740267A1
|
|
Bucket elevator
|
SU1652539A1
|
|
Combination working member of heading combine
|
SU1646151A1
|
|
Installation for plasma treating of articles
|
SU1565909A1
|
|
Charge for converting copper-nickel mattes
|
SU1701388A1
|
|
Method of cleaning metallurgical gases
|