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Application filed by Leonid A Surukin, Igor A Kotelnikov, Nikolaj A Raksenko, Valentin M Rjabcev, Alexandr M Lavrenko, Valentin A KornjusinfiledCriticalLeonid A Surukin
Priority to CS867268ApriorityCriticalpatent/CS726886A1/en
Publication of CS726886A1publicationCriticalpatent/CS726886A1/en