7215 Minerals other than ores, stone aggregates, grounds, graphite
CSN EN 12620+A1 - Aggregates for concrete

EN 12620+A1This description is for standard: EN 12620+A1This European Standard specifies the properties of aggregates and filler aggregates obtained by processing natural, manufactured or recycled mat
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CSN EN 13450 - Aggregates for railway ballast

EN 13450This description is for standard: EN 13450This European Standard specifies requirements for natural crushed unbound aggregates for use in construction of railway track. For the purposes of thi
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