HG/T 2480-1993

管法兰用金属包垫片

管法兰用金属包垫片

Standard Type
HGT
ICS
71.120.99
CCS
G91
Status
N/A
Issue Date
N/A
Implementation
N/A
Responsible Dept
发布日期：1993-06-30
Drafting Unit
N/A