BS EN 15698-2-2019 标准详情
- 标准号:BS EN 15698-2-2019
- 中文标题:
- 英文标题:District heating pipes. Bonded twin pipe systems for directly buried hot water networks. Factory made fitting and valve assemblies of steel service pipes, polyurethane thermal insulation and one casing of polyethylene
- 标准类别:英国标准BS
- 发布日期:05 November 2019
