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Homepage>CSN Standards>72 BUILDING RAW MATERIALS, MATERIALS AND PRODUCTS
7210 Grounds, description and classification
7214 Minerals other than ores, stone aggregates
7218 Quarry and stone-cutting products (from natural stone) for building industry
7220 Various binders, slags, clinkers, flue dust
7223 Ingredients and additives of binders, binding agents
7230 Concrete and reinforced-concrete elements
7232 Concrete paving tiles and concrete covering
7234 Fibre-cement products
7260 Refractory products, general
7272 Insulating materials and mixed products
7275 Special technical ceramics
7276 Flexible sheets for waterproofing