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Priority to JP6037771ApriorityCriticalpatent/JPS5142576B2/ja
Priority to US00279658Aprioritypatent/US3843496A/en
Publication of JPS4831147ApublicationCriticalpatent/JPS4831147A/ja
Publication of JPS5142576B2publicationCriticalpatent/JPS5142576B2/ja