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Fertilizers. Determination of 1H-1,2,4-triazole in urea and in fertilizers containing urea by high-performance liquid chromatography method
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Wedges for double and three disk cutters. Basic dimensions
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Welded components of joints and intersections of railway tracks. Specifications
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Plastics piping systems for water supply, and for drainage and sewerage under pressure. Polyethylene (PE). Part 1. General requirements
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Unified system of corrosion and ageing protection. Metallic and non-metallic inorganic coatings. Symbols
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