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Application filed by Г.М. Бадальян, н Г.М. БадальfiledCriticalГ.М. Бадальян
Priority to SU147266ApriorityCriticalpatent/SU43786A1/en
Application grantedgrantedCritical
Publication of SU43786A1publicationCriticalpatent/SU43786A1/en