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Priority to JP3018575ApriorityCriticalpatent/JPS5548624B2/ja
Priority to SU762331956Aprioritypatent/SU824878A3/ru
Publication of JPS51105831ApublicationCriticalpatent/JPS51105831A/ja
Publication of JPS5548624B2publicationCriticalpatent/JPS5548624B2/ja