|
SU863694A1
|
|
Method of control of oxidative leaching process of pyrrotin concentrates
|
|
SU594199A1
|
|
Device for thermal decomposition of metal carbonyls
|
|
SU583189A1
|
|
Method of multistep oxidizing leaching
|
|
SU627241A1
|
|
Mine roof support section guard
|
|
SU565714A1
|
|
Bowl centrifuge
|
|
SU567680A1
|
|
Method of purification of waste water from arsenic
|
|
SU611717A1
|
|
Method of obtaining ferrochrome powders
|
|
SU479583A2
|
|
Method for stabillizing plasma arc
|
|
SU592861A1
|
|
Method of reprocessing tin concentrates
|
|
SU641086A1
|
|
Device for regulating operating conditions of pneumatic work-performing mechanisms of drilling rig
|
|
SU469351A1
|
|
Method of reprocessing tin-containing materials
|
|
SU364682A1
|
|
Method of melting low-silicon ferronickel
|
|
SU284777A1
|
|
Method of obtaining tungsten and molybdenum hexacarbonyls
|
|
DE1800300A1
|
|
Process for the production of carbonyls of metals of VI. and VII. subgroup as well as cobalt and vanadium carbonyls
|
|
SU274917A1
|
|
Method of reprocessing nis matte
|
|
SU302028A1
|
|
Rotary muffle furnace for roasting mercury ores and mercury-containing materials
|
|
SU274915A1
|
|
Method of converting metallurgical melts
|
