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Application filed by Н.Я. Селянов, нов Н.Я. СелfiledCriticalН.Я. Селянов
Priority to SU11244ApriorityCriticalpatent/SU11032A1/en
Application grantedgrantedCritical
Publication of SU11032A1publicationCriticalpatent/SU11032A1/en