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Priority to JP9060971ApriorityCriticalpatent/JPS5424179B2/ja
Priority to CA156,171Aprioritypatent/CA976888A/en
Priority to GB5223372Aprioritypatent/GB1372130A/en
Priority to DE19722255528prioritypatent/DE2255528C3/de
Publication of JPS4857346ApublicationCriticalpatent/JPS4857346A/ja
Publication of JPS5424179B2publicationCriticalpatent/JPS5424179B2/ja