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
CA626743A
Inventor
R. Baffrey Antoine
Frumkin Raphael
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.)
METALLURGIQUE TECHNIQUE ET COMMERCIALE Ste
Original Assignee
METALLURGIQUE TECHNIQUE ET COMMERCIALE Ste
Publication date
Application grantedgrantedCritical
Publication of CA626743ApublicationCriticalpatent/CA626743A/en