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Priority to JP6705273ApriorityCriticalpatent/JPS5340708B2/ja
Priority to DE19742427288prioritypatent/DE2427288C3/de
Priority to IT7451423Aprioritypatent/IT1013393B/it
Priority to US478579Aprioritypatent/US3916512A/en
Publication of JPS5015079ApublicationCriticalpatent/JPS5015079A/ja
Publication of JPS5340708B2publicationCriticalpatent/JPS5340708B2/ja