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Priority to JP1986154147UpriorityCriticalpatent/JPH0333368Y2/ja
Priority to US07/025,602prioritypatent/US4721423A/en
Priority to DE8787104495Tprioritypatent/DE3760782D1/de
Priority to EP87104495Aprioritypatent/EP0263232B1/en
Priority to KR1019870004054Aprioritypatent/KR910004234B1/ko
Publication of JPS6360502UpublicationCriticalpatent/JPS6360502U/ja
Application grantedgrantedCritical
Publication of JPH0333368Y2publicationCriticalpatent/JPH0333368Y2/ja