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
CA868375A
Inventor
P. Buu-Hoi Nguyen
Lambelin Georges
Gillet Claude
Thiriaux Jacques
Mees 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.)
Madan AG
Original Assignee
Madan AG
Publication date
Application grantedgrantedCritical
Publication of CA868375ApublicationCriticalpatent/CA868375A/en