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Application filed by Предприятие П/Я В-2913, Предприятие П/Я А-7253filedCriticalПредприятие П/Я В-2913
Priority to SU1923588ApriorityCriticalpatent/SU513059A1/ru
Application grantedgrantedCritical
Publication of SU513059A1publicationCriticalpatent/SU513059A1/ru