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
CA871521A
Inventor
Piat Jean
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.)
PIAT ETS
MICAPIA
Original Assignee
PIAT ETS
MICAPIA
Publication date
Application grantedgrantedCritical
Publication of CA871521ApublicationCriticalpatent/CA871521A/en