标题: BS EN ISO 1452-3:2009 [打印本页] 作者: ir_71 时间: 2014-2-3 02:23:22 标题: BS EN ISO 1452-3:2009
BS EN ISO 1452-3:2009
Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure — Unplasticized poly(vinyl chloride) (PVC-U)