GB/T 37828-2019

Active

Bidirectional metal to metal sealed butterfly valve for urban heating

城镇供热用双向金属硬密封蝶阀

Standard Type
GBT
ICS
91.140.10
CCS
P46
Status
现行
Issue Date
2019-08-30
Implementation
2020-07-01
Responsible Dept
住房城乡建设部
Drafting Unit
N/A