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Application filed by Eugeny Sergeevich Pervushin, Vladimir Georgievich Kholin, Berber Viktor A, Boris Mikhailovich Galishnikov, Khafiz Makhmudovich MurtazinfiledCriticalEugeny Sergeevich Pervushin
Priority to GR57226ApriorityCriticalpatent/GR65590B/en
Publication of GR65590BpublicationCriticalpatent/GR65590B/en