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Priority to JP756868ApriorityCriticalpatent/JPS4914066B1/ja
Priority to US771515Aprioritypatent/US3602030A/en
Priority to FR1591423Dprioritypatent/FR1591423A/fr
Priority to DE1900741Aprioritypatent/DE1900741C3/de
Priority to GB1252018Dprioritypatent/GB1252018A/en
Publication of JPS4914066B1publicationCriticalpatent/JPS4914066B1/ja