| 1. | Design and installation of preinsulated bonded pipe systems for district heating ; german version en 13941 : 2003 区域供暖用预绝缘粘结管系统的设计和安装 |
| 2. | District heating pipes - preinsulated bonded pipe systems for directly buried hot water networks - surveillance systems 区域供暖管.直埋式热水供应网用预绝缘粘结管系统.监督系统 |
| 3. | District heating pipes - preinsulated bonded pipe systems for directly buried hot water networks - surveillance systems 区域供暖管.直埋式热水供应网用预绝缘粘合管道系统.监视系统 |
| 4. | Heat exchangers - water to water heat exchangers for district heating - test procedures for establishing the performance data 热交换器.区域供暖用水与水换热器.确定性能数据的试验程序 |
| 5. | Heat exchangers - water - to - water heat exchangers for district heating - test procedures for establishing the performance data 热交换器.区域供暖用水循环热交换器.确定性能数据的试验程序 |
| 6. | Heat exchangers - water to water heat exchangers for district heating - test procedures for establishing the performance data 热交换器.区域供暖用水循环热交换器.确定性能数据的试验程序 |
| 7. | District heating pipes - preinsulated bonded pipe systems for directly buried hot water networks - surveillance systems ; german version en 14419 : 2003 区域供暖管.直埋式热水供应网用预绝缘粘合管道系统 |
| 8. | Heat exchangers - water to water heat exchangers for district heating - test procedures for establishing the performance data ; german version en 1148 : 1998 a1 : 2005 热交换器.区域供暖用水循环热交换器.确定性能数据的 |
| 9. | 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 |
| 10. | 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 |