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Priority to JP1986114685UpriorityCriticalpatent/JPH0755796Y2/ja
Priority to DE3789738Tprioritypatent/DE3789738T2/de
Priority to EP87110704Aprioritypatent/EP0255053B1/en
Priority to KR1019870008068Aprioritypatent/KR890002938A/ko
Publication of JPS6320346UpublicationCriticalpatent/JPS6320346U/ja
Priority to US07/271,486prioritypatent/US4855549A/en
Application grantedgrantedCritical
Publication of JPH0755796Y2publicationCriticalpatent/JPH0755796Y2/ja
