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Application filed by В. П. Городнов , Л. В. Минеев, Государственный институт проектированию, , научно исследовательским работам нефтедобывающейfiledCriticalВ. П. Городнов , Л. В. Минеев
Priority to SU1453375ApriorityCriticalpatent/SU346946A1/ru
Application grantedgrantedCritical
Publication of SU346946A1publicationCriticalpatent/SU346946A1/ru