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Priority to JP1987031633UpriorityCriticalpatent/JPH0420364Y2/ja
Priority to EP88301439Aprioritypatent/EP0281291B1/en
Priority to DE8888301439Tprioritypatent/DE3861394D1/de
Priority to US07/163,628prioritypatent/US4793245A/en
Publication of JPS63139831UpublicationCriticalpatent/JPS63139831U/ja
Application grantedgrantedCritical
Publication of JPH0420364Y2publicationCriticalpatent/JPH0420364Y2/ja