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Priority to JP1990045312UpriorityCriticalpatent/JPH0637204Y2/ja
Priority to EP90122413Aprioritypatent/EP0438663B1/en
Priority to DE69012089Tprioritypatent/DE69012089T2/de
Priority to US07/617,887prioritypatent/US5096061A/en
Publication of JPH044509UpublicationCriticalpatent/JPH044509U/ja
Application grantedgrantedCritical
Publication of JPH0637204Y2publicationCriticalpatent/JPH0637204Y2/ja
