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Priority to JP8931272ApriorityCriticalpatent/JPS524462B2/ja
Priority to DE19732344210prioritypatent/DE2344210B2/de
Publication of JPS4948341ApublicationCriticalpatent/JPS4948341A/ja
Priority to US05/575,702prioritypatent/US4020705A/en
Publication of JPS524462B2publicationCriticalpatent/JPS524462B2/ja