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Priority to JP8988372ApriorityCriticalpatent/JPS5218792B2/ja
Priority to FR7238026Aprioritypatent/FR2157982A1/fr
Priority to DE19722252888prioritypatent/DE2252888A1/de
Publication of JPS4942880ApublicationCriticalpatent/JPS4942880A/ja
Publication of JPS5218792B2publicationCriticalpatent/JPS5218792B2/ja