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
CA870123A
Inventor
Hicguet Max
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 ET DE RECHERCHES SCIENTIFIQUES ET MINIERES Ste
Original Assignee
D'ETUDES ET DE RECHERCHES SCIENTIFIQUES ET MINIERES Ste
Publication date
Application grantedgrantedCritical
Publication of CA870123ApublicationCriticalpatent/CA870123A/en