标题: BS EN ISO 1452-1:2009 [打印本页] 作者: ir_71 时间: 2014-2-2 01:08:06 标题: BS EN ISO 1452-1:2009
BS EN ISO 1452-1:2009
Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure — Unplasticized poly(vinyl chloride) (PVC-U)