| 1. | 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 ; german version en 253 : 2003 a1 : 2005
区域供暖管道.直埋式供热网络用预隔热粘结管系统.钢制 |
| 2. | 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
区域供暖管道.直埋式热水供暖网的预绝热连接的管道系统.聚氨酯绝热层和聚乙烯外覆层的钢管组件 |
| 3. | District heating pipes - preinsulated bonded pipe systems for directly buried hot water networks - joint assembly for steel service pipes , polyurethane thermal insulation and outer casing of poluethylene
区域供暖管道.直埋式热水供应网用预绝热连接的管道系统.聚氨酯绝热层和聚乙烯外覆层钢管的接头组件 |
| 4. | District heating pipes - preinsulated bonded pipe systems for directly buried hot water networks - fitting assemblies for steel service pipes , polyurethane thermal insulation and outer casing of polyethylene
区域供暖管道.直埋式热水供应网用预隔热连接的管道系统.聚氨酯隔热和聚乙烯外护层钢管的接头组件 |
| 5. | 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
区域供暖管道.直埋式热水供应网用预先绝热包覆的管道系统.聚氨基甲酸乙酯热绝缘和聚乙烯外覆层的钢管用组件 |
| 6. | District heating pipes - preinsulated bonded pipe systems for directly buried hot water networks - steel valve assembly for steel service pipes , polyurethane thermal insulation and outer casing of polyethylene
区域供暖管道.直埋式热水供应网用预隔热连接的管道系统.聚氨酯隔热和聚乙烯外覆层钢管的钢阀门组件 |
| 7. | 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
区域供暖管道.直埋式热水供应网用预先绝热包覆的管道系统.聚氨基甲酸乙酯热绝缘和聚乙烯外覆层钢管用成套配件 |
| 8. | District heating pipes - preinsulated bonded pipe systems for directly buried hot water networks - joint assembly for steel service pipes , polyurethane thermal insulation and outer casing of polyethylene
区域供暖管道.直埋式热水管网用预先绝热有包覆管层的管道系统.聚氨基甲酸乙酯热绝缘和聚乙烯外覆层的钢管用接头组件 |
| 9. | District heating pipes - preinsulated bonded pipe systems for directly buried hot water networks - steel valve assembly for steel service pipes , polyurethane thermal insulation and outer casing of polyethylene
区域供暖管道.直埋式热水供应网用预先绝热包覆的管道系统.聚氨基甲酸乙酯热绝缘和聚乙烯外覆层钢管用钢阀门组件 |
