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Application filed by Ворошиловградский машиностроительный институтfiledCriticalВорошиловградский машиностроительный институт
Priority to SU782582008ApriorityCriticalpatent/SU677754A1/ru
Application grantedgrantedCritical
Publication of SU677754A1publicationCriticalpatent/SU677754A1/ru