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
CA713129A
Inventor
Quesnel Georges
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.)
PIERREFITTE GENERALE D'ENGRAIS ET PRODUITS CHIMIQUES Ste
Original Assignee
PIERREFITTE GENERALE D'ENGRAIS ET PRODUITS CHIMIQUES Ste
Publication date
Application grantedgrantedCritical
Publication of CA713129ApublicationCriticalpatent/CA713129A/en