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Application filed by Г.М. Бадальян, н Г.М. БадальfiledCriticalГ.М. Бадальян
Priority to SU163492ApriorityCriticalpatent/SU44101A1/ru
Application grantedgrantedCritical
Publication of SU44101A1publicationCriticalpatent/SU44101A1/ru