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Priority to JP389173ApriorityCriticalpatent/JPS5418549B2/ja
Priority to US427656Aprioritypatent/US3909635A/en
Priority to DE2364823Aprioritypatent/DE2364823A1/de
Priority to FR7347004Aprioritypatent/FR2212709B1/fr
Publication of JPS4989081ApublicationCriticalpatent/JPS4989081A/ja
Publication of JPS5418549B2publicationCriticalpatent/JPS5418549B2/ja