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
CA596003A
Inventor
P. P. Martin 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.)
La Brosse et Dupont SA
Original Assignee
La Brosse et Dupont SA
Publication date
Application grantedgrantedCritical
Publication of CA596003ApublicationCriticalpatent/CA596003A/en