О проблеме профессионального обучения рабочих. В.Ф.Соловьёв, электрогазосварщик.
О проблеме профессионального обучения рабочих. Василий Феликсович Соловьёв, электрогазосварщик, АО «Санкт-Петербургский тракторный завод», член РКР...
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