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Priority to JP10331872ApriorityCriticalpatent/JPS5348107B2/ja
Priority to US394626Aprioritypatent/US3876288A/en
Priority to DE2345337Aprioritypatent/DE2345337C2/de
Publication of JPS4960939ApublicationCriticalpatent/JPS4960939A/ja
Publication of JPS5348107B2publicationCriticalpatent/JPS5348107B2/ja