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Priority to JP3989672ApriorityCriticalpatent/JPS5524307B2/ja
Priority to FR7309354Aprioritypatent/FR2176109B1/fr
Priority to AU53398/73Aprioritypatent/AU464436B2/en
Publication of JPS493522ApublicationCriticalpatent/JPS493522A/ja
Publication of JPS5524307B2publicationCriticalpatent/JPS5524307B2/ja