GB/T 25178-2010

Abolished

Reduced-pressure type backflow preventer

减压型倒流防止器

Standard Type
GBT
ICS
91.140.60
CCS
Q81
Status
废止
Issue Date
2010-09-26
Implementation
2011-08-01
Responsible Dept
住房城乡建设部
Drafting Unit
N/A