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Priority to JP48065448ApriorityCriticalpatent/JPS5236634B2/ja
Priority to US477928Aprioritypatent/US3915865A/en
Priority to IT68829/74Aprioritypatent/IT1014306B/it
Priority to DE19742428375prioritypatent/DE2428375A1/de
Publication of JPS5015164ApublicationCriticalpatent/JPS5015164A/ja
Publication of JPS5236634B2publicationCriticalpatent/JPS5236634B2/ja