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
CA882586A
Inventor
I. Medovar Boris
G. Belfor Mikhail
G. Emelianenko July
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.)
Institut Elektrosvarki Im Eo Patona
Original Assignee
Institut Elektrosvarki Im Eo Patona
Publication date
Application grantedgrantedCritical
Publication of CA882586ApublicationCriticalpatent/CA882586A/en