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Publication number
CA1237664A1
CA1237664A1 CA 1237664 A1 CA1237664 A1 CA 1237664A1
Authority
CA
Grant status
Grant
Patent type
Application number

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Also Published As

Publication number Publication date Type
EP0171187B1 (en) 1989-01-11 grant
EP0171187A1 (en) 1986-02-12 application
US4579024A (en) 1986-04-01 grant
DE3567499D1 (en) 1989-02-16 grant
CA1237664A (en) 1988-06-07 grant