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Priority to JP9455172ApriorityCriticalpatent/JPS5232074B2/ja
Priority to US00388556Aprioritypatent/US3845536A/en
Priority to DE2341791Aprioritypatent/DE2341791C3/de
Publication of JPS4951582ApublicationCriticalpatent/JPS4951582A/ja
Publication of JPS5232074B2publicationCriticalpatent/JPS5232074B2/ja