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Priority to JP1986149584UpriorityCriticalpatent/JPH0448861Y2/ja
Priority to CA000548130Aprioritypatent/CA1283283C/en
Priority to KR2019870016852Uprioritypatent/KR930007273Y1/ko
Priority to DE8787308653Tprioritypatent/DE3775511D1/de
Priority to EP87308653Aprioritypatent/EP0263637B1/en
Publication of JPS62202384UpublicationCriticalpatent/JPS62202384U/ja
Priority to US07/785,914prioritypatent/US5328723A/en
Application grantedgrantedCritical
Publication of JPH0448861Y2publicationCriticalpatent/JPH0448861Y2/ja