DIN EN 253 标准详情
- 标准号:DIN EN 253
- 中文标题:区域供暖管道 - 预隔热连接的管道系统直埋热水网 - 钢铁服务管材管总成,聚氨酯保温和聚乙烯外套
- 英文标题:District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene
- 标准类别:德国标准DIN
- 发布日期: