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Priority to JP5379670ApriorityCriticalpatent/JPS4840840B1/ja
Priority to GB2817471Aprioritypatent/GB1347574A/en
Priority to CA115,974Aprioritypatent/CA964746A/en
Priority to FR717122036Aprioritypatent/FR2095333B1/fr
Priority to DE19712130405prioritypatent/DE2130405C3/de
Publication of JPS4840840B1publicationCriticalpatent/JPS4840840B1/ja