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Priority to JP352472ApriorityCriticalpatent/JPS5421568B2/ja
Priority to GB5893772Aprioritypatent/GB1415876A/en
Priority to US31681972prioritypatent/US3845776A/en
Publication of JPS4870113ApublicationCriticalpatent/JPS4870113A/ja
Publication of JPS5421568B2publicationCriticalpatent/JPS5421568B2/ja