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Priority to JP4420773ApriorityCriticalpatent/JPS511475B2/ja
Priority to FR7332173Aprioritypatent/FR2200283B1/fr
Priority to GB4443073Aprioritypatent/GB1405865A/en
Publication of JPS49130988ApublicationCriticalpatent/JPS49130988A/ja
Publication of JPS511475B2publicationCriticalpatent/JPS511475B2/ja