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Application filed by Malik Afanasij P, Kravchenko Aleksej S, Kuzminov Vadim G, Goldshtejn Valentin D, Ryvlin Valerij A, Khmel Nikolaj DfiledCriticalMalik Afanasij P
Priority to SU762376135ApriorityCriticalpatent/SU686659A1/en
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Publication of SU686659A1publicationCriticalpatent/SU686659A1/en