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Priority to JP1984164432UpriorityCriticalpatent/JPH0112823Y2/ja
Priority to CN85107756Aprioritypatent/CN1011030B/zh
Priority to US06/789,876prioritypatent/US4700871A/en
Priority to EP85307809Aprioritypatent/EP0184313B1/en
Publication of JPS6180045UpublicationCriticalpatent/JPS6180045U/ja
Application grantedgrantedCritical
Publication of JPH0112823Y2publicationCriticalpatent/JPH0112823Y2/ja
Priority to KR2019890005997Uprioritypatent/KR890004903Y1/ko