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Priority to JP48045546ApriorityCriticalpatent/JPS5140147B2/ja
Priority to GB5607673Aprioritypatent/GB1438315A/en
Priority to US05/421,697prioritypatent/US3937843A/en
Publication of JPS5012260ApublicationCriticalpatent/JPS5012260A/ja
Publication of JPS5140147B2publicationCriticalpatent/JPS5140147B2/ja