标题: ISO 8772:2006 Plastics piping systems for non-pressure underground drainage and [打印本页] 作者: cc523pate 时间: 2018-3-1 19:42:06 标题: ISO 8772:2006 Plastics piping systems for non-pressure underground drainage and
ISO 8772:2006 Plastics piping systems for non-pressure underground drainage and sewerage — Polyethylene (PE)