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Application filed by Alexandr N Bucnev, Nikolaj P Vasiljev, Vladimir R Gorovoj, Jevgenij I Karpunin, Jurij P Krylatych, Anatolij N MatazovfiledCriticalAlexandr N Bucnev
Priority to CS878643ApriorityCriticalpatent/CS864387A1/en
Publication of CS864387A1publicationCriticalpatent/CS864387A1/en