GB/T 31939-2015

Active

Hot-rolled steel plates (sheets) and strips for coal mine refuge chamber

矿用救生舱用热轧钢板和钢带

Standard Type
GBT
ICS
77.140.50
CCS
H46
Status
现行
Issue Date
2015-09-11
Implementation
2016-06-01
Responsible Dept
中国钢铁工业协会
Drafting Unit
中国钢铁工业协会