GB/T 12221-2025

Active

Metal valves—Face to face, end to end, centre to face and centre to end dimensions

金属阀门 结构长度

Standard Type
GBT
ICS
23.060.01
CCS
J16
Status
现行
Issue Date
2025-10-31
Implementation
2026-05-01
Responsible Dept
中国机械工业联合会
Drafting Unit
N/A