Серия 3.407.1-175 Унифицированные конструкции промежуточных одностоечных железобетонных опор ВЛ 35-220 кВ. Выпуск 3. Изделия железобетонные. Рабочие чертежи

106 Pages · 2016 · 23.76 MB · Russian
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“ Almost everything will work again if you unplug it for a few minutes, including you. ” ― Anne Lamott
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