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Priority to JP819870ApriorityCriticalpatent/JPS4942070B1/ja
Priority to US52967Aprioritypatent/US3691830A/en
Priority to FR7026523Aprioritypatent/FR2051857B1/fr
Priority to CA088488Aprioritypatent/CA936710A/en
Priority to DE19702035545prioritypatent/DE2035545C/de
Publication of JPS4942070B1publicationCriticalpatent/JPS4942070B1/ja
