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Priority to JP7939475ApriorityCriticalpatent/JPS523276A/ja
Priority to US05/672,145prioritypatent/US4119887A/en
Priority to NL7604424.Aprioritypatent/NL165354C/xx
Publication of JPS523276ApublicationCriticalpatent/JPS523276A/ja
Publication of JPS5614000B2publicationCriticalpatent/JPS5614000B2/ja