HG/T 21556.1-1995

碳钢鲍尔环填料

碳钢鲍尔环填料

Standard Type
HGT
ICS
71.120
CCS
G91
Status
N/A
Issue Date
N/A
Implementation
N/A
Responsible Dept
发布日期:1900-01-01
Drafting Unit
N/A