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Priority to JP2635273ApriorityCriticalpatent/JPS5211350B2/ja
Priority to US05/446,017prioritypatent/US3947507A/en
Priority to DE2409967Aprioritypatent/DE2409967C3/de
Priority to GB985774Aprioritypatent/GB1451149A/en
Publication of JPS49113889ApublicationCriticalpatent/JPS49113889A/ja
Publication of JPS5211350B2publicationCriticalpatent/JPS5211350B2/ja