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Priority to JP5942272ApriorityCriticalpatent/JPS5549591B2/ja
Priority to GB2823073Aprioritypatent/GB1410554A/en
Publication of JPS4918888ApublicationCriticalpatent/JPS4918888A/ja
Publication of JPS5549591B2publicationCriticalpatent/JPS5549591B2/ja