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Priority to JP2025670UpriorityCriticalpatent/JPS5115981Y1/ja
Priority to US3647149Dprioritypatent/US3647149A/en
Priority to FR7014151Aprioritypatent/FR2044779B1/fr
Priority to GB2261370Aprioritypatent/GB1303167A/en
Priority to DE19702023233prioritypatent/DE2023233C/de
Publication of JPS5115981Y1publicationCriticalpatent/JPS5115981Y1/ja