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Application filed by Машиностроительное конструкторское бюроfiledCriticalМашиностроительное конструкторское бюро
Priority to SU4767763/29ApriorityCriticalpatent/SU1676314A1/ru
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Publication of RU1676314CpublicationCriticalpatent/RU1676314C/ru
Publication of SU1676314A1publicationCriticalpatent/SU1676314A1/ru