GB/T 34020.3-2017

Active

Double wall copper-brazed steel tubes—Part 3: Tubing system for air conditioner and refrigeration

双层卷焊钢管 第3部分：空调和制冷设备管路系统用管

Standard Type
GBT
ICS
77.140.75
CCS
H48
Status
现行
Issue Date
2017-07-12
Implementation
2018-04-01
Responsible Dept
中国钢铁工业协会
Drafting Unit
N/A