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
CA902806A
Inventor
A. Andersen Christian
J. Roden Henry
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.)
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Original Assignee
APPLIED RESEARCH LABORATORIES
Publication date
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Publication of CA902806ApublicationCriticalpatent/CA902806A/en