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Priority to JP11468286UpriorityCriticalpatent/JPH0755795Y2/ja
Priority to DE3789738Tprioritypatent/DE3789738T2/de
Priority to EP87110704Aprioritypatent/EP0255053B1/en
Priority to KR1019870008068Aprioritypatent/KR890002938A/ko
Publication of JPS6320343UpublicationCriticalpatent/JPS6320343U/ja
Priority to US07/271,486prioritypatent/US4855549A/en
Priority to KR2019900016450Uprioritypatent/KR910000042Y1/ko
Application grantedgrantedCritical
Publication of JPH0755795Y2publicationCriticalpatent/JPH0755795Y2/ja