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Application filed by О.А. ГолосовfiledCriticalО.А. Голосов
Priority to SU3694498/28ApriorityCriticalpatent/SU1228641A1/en
Application grantedgrantedCritical
Publication of RU1228641CpublicationCriticalpatent/RU1228641C/en
Publication of SU1228641A1publicationCriticalpatent/SU1228641A1/en