DIN 4226-101
DIN 4226-101 Recycled aggregates for concrete in accordance with DIN EN 12620 - Part 101: Types and regulated dangerous substances
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 08/01/2017
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 08/01/2017