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Priority to JP1986097070UpriorityCriticalpatent/JPH0326064Y2/ja
Priority to US07/055,462prioritypatent/US4776422A/en
Priority to DE8787304819Tprioritypatent/DE3768334D1/de
Priority to EP87304819Aprioritypatent/EP0247902B1/en
Publication of JPS632686UpublicationCriticalpatent/JPS632686U/ja
Application grantedgrantedCritical
Publication of JPH0326064Y2publicationCriticalpatent/JPH0326064Y2/ja
