DIN 4052-3 - DRAFT
DIN 4052-3 - DRAFT
Draft Document - Concrete elements and buckets for road gullies - Part 3: Concrete elementsstandard 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