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
CA810124A
Inventor
Piret 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.)
D'etudes De Recherches Et D'applications Pour L'industrie Se Rai-Societe Cooperative Ste
Original Assignee
D'etudes De Recherches Et D'applications Pour L'industrie Se Rai-Societe Cooperative Ste
Publication date
Application grantedgrantedCritical
Publication of CA810124ApublicationCriticalpatent/CA810124A/en