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
CA750590A
Inventor
J. Zajac Anthony
E. De Amico Alfred
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.)
AMERICAN WELDING AND ENGINEERING Co
Original Assignee
AMERICAN WELDING AND ENGINEERING Co
Publication date
Application grantedgrantedCritical
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