Russian standards PDF
Traps for sewer systems in buildings. Specifications
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Аccess manhole covers and storm-flow receivers for manholes. Specifications
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Sheets of aluminium and aluminium alloys. Specifications
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Anodic earthing of the electrochemical protective installations against corrosion of underground metal constructions. Methods for determining the biocorrosion aggressiveness of soils and their impact on underground metal constructions
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