Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA869477A
Inventor
N. Kostin Vladimir
V. Paramonov Ivan
V. Tsyganov Viktor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MINISTERSTVO TSVETNOI METALLURGII USSR
Original Assignee
MINISTERSTVO TSVETNOI METALLURGII USSR
Publication date
Application grantedgrantedCritical
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