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Application filed by Предприятие П/Я В-2262, Предприятие П/Я Р-6575filedCriticalПредприятие П/Я В-2262
Priority to SU721808591ApriorityCriticalpatent/SU625761A1/en
Application grantedgrantedCritical
Publication of SU625761A1publicationCriticalpatent/SU625761A1/en