GB/T 20509-2023

Active

Copper and copper alloys drawing for contacting materials of electric locomotives

电力机车接触材料用铜及铜合金线坯

Standard Type
GBT
ICS
77.150.30
CCS
H62
Status
现行
Issue Date
2023-05-23
Implementation
2023-12-01
Responsible Dept
中国有色金属工业协会
Drafting Unit
N/A