GB/T 46199-2025

Active

Ductile iron pipes for trenchless application

非开挖铺设用球墨铸铁管

Standard Type
GBT
ICS
23.040.10;23.040.40
CCS
H48
Status
现行
Issue Date
2025-08-29
Implementation
2026-03-01
Responsible Dept
中国钢铁工业协会
Drafting Unit
N/A