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Priority to JP47082801ApriorityCriticalpatent/JPS5243330B2/ja
Priority to DE19732342232prioritypatent/DE2342232C3/de
Publication of JPS4938447ApublicationCriticalpatent/JPS4938447A/ja
Publication of JPS5243330B2publicationCriticalpatent/JPS5243330B2/ja