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Publication number
CA1167562A1
CA1167562A1 CA 1167562 A1 CA1167562 A1 CA 1167562A1
Authority
CA
Grant status
Grant
Patent type
Application number

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Also Published As

Publication number Publication date Type
EP0021938A1 (en) 1981-01-07 application
ES492393D0 (en) grant
EP0021938B1 (en) 1984-02-01 grant
ES492393A0 (en) 1980-12-16 application
WO1980002901A1 (en) 1980-12-24 application
JPS56500714A (en) 1981-05-21 application
DE3066372D1 (en) 1984-03-08 grant
FR2459595B1 (en) 1984-03-16 grant
ES8102445A1 (en) 1981-04-01 application
FR2459595A1 (en) 1981-01-09 application
CA1167562A (en) 1984-05-15 grant
US4354201A (en) 1982-10-12 grant
JPH027235B2 (en) 1990-02-16 grant