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Priority to JP13608976ApriorityCriticalpatent/JPS5359894A/ja
Priority to US05/846,496prioritypatent/US4119573A/en
Priority to GB46665/77Aprioritypatent/GB1537645A/en
Publication of JPS5359894ApublicationCriticalpatent/JPS5359894A/ja
Publication of JPS5617802B2publicationCriticalpatent/JPS5617802B2/ja