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Priority to JP15905675UpriorityCriticalpatent/JPS5511286Y2/ja
Priority to FR7631211Aprioritypatent/FR2328968A1/fr
Priority to DE19762647106prioritypatent/DE2647106A1/de
Publication of JPS5271031UpublicationCriticalpatent/JPS5271031U/ja
Application grantedgrantedCritical
Publication of JPS5511286Y2publicationCriticalpatent/JPS5511286Y2/ja