EN 14758-1-2005 无压力地下排水和污水用塑料管道系统.含矿物调节剂的聚丙烯(PP-MD).第1部分:管,配件和系统用规范.包含修改件A1-2009
Plastics piping systems for non-pressure underground drainage and sewerage ?Polypropylene with mineral modifiers (PP-MD) - Part 1: Specifications for pipes, fittings and the system Incorporates Amendment A1: 2009