GB/T 25178-2020

Active

Reduced-pressure type backflow preventer

减压型倒流防止器

Standard Type
GBT
ICS
91.140.60
CCS
P41
Status
现行
Issue Date
2020-12-14
Implementation
2020-12-14
Responsible Dept
住房城乡建设部
Drafting Unit
N/A