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Application filed by Предприятие П/Я Р-6609filedCriticalПредприятие П/Я Р-6609
Priority to SU782684655ApriorityCriticalpatent/SU886291A1/ru
Priority to BG7945268Aprioritypatent/BG29708A1/xx
Priority to DD21653379Aprioritypatent/DD148488A3/de
Application grantedgrantedCritical
Publication of SU886291A1publicationCriticalpatent/SU886291A1/ru