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
CA687844A
Inventor
M. Pahud George
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.)
SIGMA INSTRUMENTS
Original Assignee
SIGMA INSTRUMENTS
Publication date
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