11/30247802 DC 标准详情
- 标准号：11/30247802 DC
- 中文标题：
- 英文标题：BS EN 253 AMD1. 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：标准草案
- 发布日期：
