Plastics piping systems for drainage and sewerage without pressure - Non-circular pipes and joints made of glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resins (UP) - Dimensions, requirements and tests (ISO 16611:2017)
无压排水和污水用塑料管道系统.基于不饱和聚酯树脂(UP)的玻璃纤维增强热固性塑料(GRP)制非圆管和接头.尺寸 要求和试验(ISO 16611-2017)