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Application filed by Shirokov Anatolij P, Romanov Viktor M, Tereshchenko Evgenij T, Torgunakov Yurij NfiledCriticalShirokov Anatolij P
Priority to SU752189536ApriorityCriticalpatent/SU605977A1/ru
Application grantedgrantedCritical
Publication of SU605977A1publicationCriticalpatent/SU605977A1/ru