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Priority to JP14325585UpriorityCriticalpatent/JPH0423236Y2/ja
Priority to DE8686112810Tprioritypatent/DE3678658D1/de
Priority to EP86112810Aprioritypatent/EP0217227B1/en
Priority to US06/909,470prioritypatent/US4730778A/en
Publication of JPS6251341UpublicationCriticalpatent/JPS6251341U/ja
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Publication of JPH0423236Y2publicationCriticalpatent/JPH0423236Y2/ja