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
CA714520A
Inventor
L. A. Mangeney Gerard
P. E. Pechmeze Jacques
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.)
Kuhlmann SA
Original Assignee
Kuhlmann SA
Publication date
Application grantedgrantedCritical
Publication of CA714520ApublicationCriticalpatent/CA714520A/en