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Priority to JP2777273ApriorityCriticalpatent/JPS49114715A/ja
Priority to DE19732364530prioritypatent/DE2364530A1/de
Priority to FR7346411Aprioritypatent/FR2211787B1/fr
Priority to GB5975373Aprioritypatent/GB1459429A/en
Publication of JPS49114715ApublicationCriticalpatent/JPS49114715A/ja