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
CA850229A
Inventor
Davydovich Levin Vladimir
Vasilievich Lebedev Jury
Sergeevich Krivorotov Evgeny
Grigorievich Chudakov Jury
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.)