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Priority claimed from SU782661054Aexternal-prioritypatent/SU784154A1/en
Application filed by Ivan I Rumjancev, Semen I Gdalin, Leonid I Krotov, Eduard G Novickij, Josif E CernjakovfiledCriticalIvan I Rumjancev
Priority to DD26206084ApriorityCriticalpatent/DD254109A3/en
Publication of DD254109A3publicationCriticalpatent/DD254109A3/en