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Priority to JP2092276ApriorityCriticalpatent/JPS52103408A/ja
Priority to GB7589/77Aprioritypatent/GB1535471A/en
Priority to US05/771,985prioritypatent/US4126652A/en
Publication of JPS52103408ApublicationCriticalpatent/JPS52103408A/ja
Publication of JPS5623949B2publicationCriticalpatent/JPS5623949B2/ja