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Priority to JP1787472ApriorityCriticalpatent/JPS5246999B2/ja
Priority to GB1735572Aprioritypatent/GB1382095A/en
Publication of JPS4885683ApublicationCriticalpatent/JPS4885683A/ja
Publication of JPS5246999B2publicationCriticalpatent/JPS5246999B2/ja
