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Priority to JP8957680UpriorityCriticalpatent/JPS6311102Y2/ja
Priority to US06/217,413prioritypatent/US4332845A/en
Priority to DE3047285Aprioritypatent/DE3047285C2/de
Priority to GB8040874Aprioritypatent/GB2068991B/en
Publication of JPS5711765UpublicationCriticalpatent/JPS5711765U/ja
Application grantedgrantedCritical
Publication of JPS6311102Y2publicationCriticalpatent/JPS6311102Y2/ja