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
CA847737A
Inventor
Isaakovich Maliovanov Daniil
Ivanovich Salmanov Vladimir
Zinovievich Litvin Alexandr
Georgievich Zhadaev Valentin
Lazarevich Pruzhiner Viktor
Antonovna Morozova Natalia
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.)
TSENTRALNY NAUCHNO-ISSLEDOVATELSKY INSTITUT PODZEMNOGO I SHAKHTNOGO STRO ITELSTVA
Original Assignee
TSENTRALNY NAUCHNO-ISSLEDOVATELSKY INSTITUT PODZEMNOGO I SHAKHTNOGO STRO ITELSTVA
Publication date
Application grantedgrantedCritical
Publication of CA847737ApublicationCriticalpatent/CA847737A/en