PREN 448-2007 标准详情
- 标准号：PREN 448-2007
- 中文标题：集中供热管 - 预绝缘连接的管道系统直埋式热水供应网 - 钢水管接头组件，聚氨酯热绝缘和聚乙烯外护
- 英文标题：district heating pipes - preinsulated bonded pipe systems for directly buried hot water networks - fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
- 标准类别：欧盟标准EN
- 发布日期：
