Q 70 标准查询与下载
共找到 2 条与 相关的标准，共 1 页
Specifications for construction quality control and acceptance of lightning protection engineering for buildings
- ICS
- Q 70
- CCS
- DB54/T 0072-2013
- 发布
- 2019-04-04
- 实施
- 2019-05-03
Technical specification for building lightning protection design evaluation
- ICS
- Q 70
- CCS
- DB54/T 0073-2013
- 发布
- 2019-04-04
- 实施
- 2019-05-03
