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Priority to JP6825372ApriorityCriticalpatent/JPS535719B2/ja
Priority to US375492Aprioritypatent/US3888826A/en
Priority to DE2334852Aprioritypatent/DE2334852C3/de
Publication of JPS4927595ApublicationCriticalpatent/JPS4927595A/ja
Publication of JPS535719B2publicationCriticalpatent/JPS535719B2/ja