03.040.20 标准查询与下载
共找到 2 条与 相关的标准，共 1 页
Comprehensive design of urban road underground pipelines and technical specifications for the installation of inspection wells
- ICS
- 03.040.20
- CCS
- G40
- 发布
- 2023-12-15
- 实施
- 2023-12-15
Urban underground space data specification
- ICS
- 03.040.20
- CCS
- G 40
- 发布
- 2021-06-29
- 实施
- 2021-06-29
