Gully tops and manhole tops for vehicular and pedestrian areas - Part 6: Gully tops and manhole tops made of polypropylene (PP), polyethylene (PE) or unplasticized poly(vinyl chloride) (PVC-U)
车辆和行人区的集水沟顶部和人孔顶部 第6部分:聚丙烯(PP)、聚乙烯(PE)或未增塑聚氯乙烯(PVC-U)制成的集水沟顶部和人孔顶部;德文版EN 124-6:2015