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Priority to JP434475ApriorityCriticalpatent/JPS5180476A/ja
Priority to US05/646,938prioritypatent/US4111142A/en
Priority to GB36976Aprioritypatent/GB1475485A/en
Publication of JPS5180476ApublicationCriticalpatent/JPS5180476A/ja
Publication of JPS5627332B2publicationCriticalpatent/JPS5627332B2/ja