DIN EN ISO 15749-2:2004 船舶和海上技术.船舶和海上建筑物的排水系统.第2部分:重力系统用卫生排水和排水管道
Ships and marine technology - Drainage systems on ships and marine structures - Part 2: Sanitary drainage, drain piping for gravity systems (ISO 15749-2:2004); German version EN ISO 15749-2:2004