HG/T 2437-1993

钢塑复合管与管件

钢塑复合管与管件

Standard Type
HGT
ICS
71.120.99
CCS
G94
Status
N/A
Issue Date
N/A
Implementation
N/A
Responsible Dept
发布日期:1993-06-14
Drafting Unit
N/A