当前位置:
首页 >
埋地用硬聚氯乙烯(PVC-U)加筋管材

Unplasticized polyvinyl chloride (PVC-U) ultra-rib pipes for underground usage
标准号:QB/T 2782-2006
Unplasticized polyvinyl chloride (PVC-U) ultra-rib pipes for underground usage
标准号:QB/T 2782-2006