GB/T 38550-2020
Specifications for operation service of urban utility tunnel
active, Most Current
| Publication Date: | 6 March 2020 |
| Status: | active |
| Page Count: | 16 |
| ICS Code (Other services): | 03.080.99 |
Document History
GB/T 38550-2020
March 6, 2020
Specifications for operation service of urban utility tunnel
A description is not available for this item.