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Application filed by Mikhail M Klochnev, Yurij B Shekhtman, Igor Basalaev, Vasilij P Bartyshev, Mikhail V Malakhov, Georgij A Kopylov, Anatolij V Lakuntsov, Vasilij F NikolaevfiledCriticalMikhail M Klochnev
Priority to SU772550964ApriorityCriticalpatent/SU755429A1/en
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Publication of SU755429A1publicationCriticalpatent/SU755429A1/en