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
CA839323A
Inventor
Mikhailovich Knaus Oleg
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.)
GOSUDARSTVENNY SOJUZNY INSTITUT PO PROEKTIROVANIJU PREDPRIYATY GORNOKHIM ICHESKOI PROMYSHLENNOSTI (GOSGORSKIMPROEKT)
Original Assignee
GOSUDARSTVENNY SOJUZNY INSTITUT PO PROEKTIROVANIJU PREDPRIYATY GORNOKHIM ICHESKOI PROMYSHLENNOSTI (GOSGORSKIMPROEKT)
Publication date
Application grantedgrantedCritical
Publication of CA839323ApublicationCriticalpatent/CA839323A/en