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
CA643385A
Inventor
Bumiller 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.)
Sarmi Sa D'applications De Recherches Minieres Et Industriell Es Ste
Original Assignee
Sarmi Sa D'applications De Recherches Minieres Et Industriell Es Ste
Publication date
Application grantedgrantedCritical
Publication of CA643385ApublicationCriticalpatent/CA643385A/en