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Priority to JP1986176990UpriorityCriticalpatent/JPH063264Y2/ja
Priority to US07/122,121prioritypatent/US4860638A/en
Priority to EP19870116908prioritypatent/EP0268252B2/en
Priority to DE8787116908Tprioritypatent/DE3761843D1/de
Priority to KR1019870012993Aprioritypatent/KR910007286B1/ko
Publication of JPS6382892UpublicationCriticalpatent/JPS6382892U/ja
Application grantedgrantedCritical
Publication of JPH063264Y2publicationCriticalpatent/JPH063264Y2/ja