GB/T 21839-2019

Active

Test methods of steel for prestressing concrete

预应力混凝土用钢材试验方法

Standard Type
GBT
ICS
77.140.65
CCS
H49
Status
现行
Issue Date
2019-06-04
Implementation
2020-05-01
Responsible Dept
中国钢铁工业协会
Drafting Unit
N/A