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Application filed by Nikolaj M Makievskij, Nikolaj P Selivanov, Anatolij M Paramzin, Armmnak D AmalbashyanfiledCriticalNikolaj M Makievskij
Priority to SU925023876ApriorityCriticalpatent/RU1834966C/en
Application grantedgrantedCritical
Publication of RU1834966CpublicationCriticalpatent/RU1834966C/en