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Priority to JP47043540ApriorityCriticalpatent/JPS526173B2/ja
Priority to US00280856Aprioritypatent/US3804491A/en
Priority to DE2240302Aprioritypatent/DE2240302C3/de
Publication of JPS4912834ApublicationCriticalpatent/JPS4912834A/ja
Publication of JPS526173B2publicationCriticalpatent/JPS526173B2/ja