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Priority to JP15787586UpriorityCriticalpatent/JPS63164152U/ja
Priority to US07/108,988prioritypatent/US4857995A/en
Priority to EP19870309139prioritypatent/EP0274820B1/en
Priority to KR2019870017553Uprioritypatent/KR910009316Y1/ko
Priority to DE8787309139Tprioritypatent/DE3778335D1/de
Publication of JPS63164152UpublicationCriticalpatent/JPS63164152U/ja