| Corrosion protection of concrete and reinforced concrete structural elements. General specifications.
Защита бетонных и железобетонных конструкций от коррозии. Общие технические требования. |
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GOST 32388-2013Process piping. Standards and calculation … |
PB 03-538-03Certification Regulations for Electrical … |
PND ОНД-86Calculation method of concentration of emitted … |