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CA1157526A1 - - Google Patents

Info

Publication number
CA1157526A1
CA1157526A1 CA 1157526 A1 CA1157526 A1 CA 1157526A1
Authority
CA
Grant status
Grant
Patent type
Application number

Links

Unknown

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Also Published As

Publication number Publication date Type
CA1157526A (en) 1983-11-22 grant
GB2052994B (en) 1984-03-21 grant
GB2052994A (en) 1981-02-04 application
US4305402A (en) 1981-12-15 grant