GB/T 38550-2020

Active

Specifications for operation service of urban utility tunnel

城市综合管廊运营服务规范

Standard Type
GBT
ICS
03.080.99
CCS
A16
Status
现行
Issue Date
2020-03-06
Implementation
2020-10-01
Responsible Dept
国家标准委
Drafting Unit
N/A