GB/T 12777-2019

Active

General specification for metal bellows expansion joints

金属波纹管膨胀节通用技术条件

Standard Type
GBT
ICS
47.020.30
CCS
U50
Status
现行
Issue Date
2019-05-10
Implementation
2019-12-01
Responsible Dept
国家标准委
Drafting Unit
N/A