BS EN 13244-5:2002(2003)
用于一般用途、排水和污水处理的埋地和地上压力系统的塑料管道系统 聚乙烯(PE) 第5部分:系统用途的适用性
Plastics piping systems for buried and above-ground pressure systems for water for general purposes,drainage and sewerage - Polyethylene (PE) - Part 5:Fitness for purpose of the system