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Application filed by Т.Г. Аванесян, н Т.Г. Аванес, А.Т. Газаров, B.А. Мелконян, н B.А. Мелкон, А.М. Саркисян, н А.М. СаркисfiledCriticalТ.Г. Аванесян
Priority to SU387280ApriorityCriticalpatent/SU77344A1/en
Application grantedgrantedCritical
Publication of SU77344A1publicationCriticalpatent/SU77344A1/en