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Priority to JP12765372ApriorityCriticalpatent/JPS5222549B2/ja
Priority to US05/424,276prioritypatent/US3971246A/en
Priority to DE19732363122prioritypatent/DE2363122C3/de
Priority to FR7346151Aprioritypatent/FR2212043A5/fr
Publication of JPS49101080ApublicationCriticalpatent/JPS49101080A/ja
Publication of JPS5222549B2publicationCriticalpatent/JPS5222549B2/ja