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Priority to JP11244072ApriorityCriticalpatent/JPS5119538B2/ja
Priority to US406109Aprioritypatent/US3895611A/en
Priority to DE19732351944prioritypatent/DE2351944C3/de
Publication of JPS4968120ApublicationCriticalpatent/JPS4968120A/ja
Publication of JPS5119538B2publicationCriticalpatent/JPS5119538B2/ja