Underground drainage system of the building in common parts 楼宇公用地方范围内的地下排水系统
Pp . 1 : plastics piping systems for non - pressure underground drainage and sewerage - polypropylene - part 1 : specifications for pipes , fittings and the system 无压地下排水系统用塑料管道系统.聚丙烯
Up . 3 : plastics piping systems for non - pressure drainage and sewerage . glass - reinforced thermosetting plastics based on unsaturated polyester resin . part 3 : fittings 无压地下排水系统用塑料管道系统.不饱和聚酯树脂
Up . 6 : plastics piping systems for non - pressure drainage and sewerage . glass - reinforced thermosetting plastics based on unsaturated polyester resin . part 6 : practices for installation 无压地下排水系统用塑料管道系统.不饱和聚酯树脂
Up . 5 : plastics piping systems for non - pressure drainage and sewerage . glass - reinforced thermosetting plastics based on unsaturated polyester resin . part 5 : fitness for purpose of the joints 无压地下排水系统用塑料管道系统.不饱和聚酯树脂