GB/T 20409-2006

Abolished

Multi-rifled seamless steel tubes for high-pressure boiler

高压锅炉用内螺纹无缝钢管

Standard Type
GBT
ICS
77.140.75
CCS
H48
Status
废止
Issue Date
2006-08-16
Implementation
2007-01-01
Responsible Dept
中国钢铁工业协会
Drafting Unit
N/A