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Priority to JP1971042982UpriorityCriticalpatent/JPS5332540Y2/ja
Priority to DE19722225331prioritypatent/DE2225331A1/de
Publication of JPS482976UpublicationCriticalpatent/JPS482976U/ja
Application grantedgrantedCritical
Publication of JPS5332540Y2publicationCriticalpatent/JPS5332540Y2/ja