GB 12971.4-1991

Abolished

Trolley and contact wires for electric traction--Part 4:Aluminium-steel and aluminium alloy composite trolley and content wires

电力牵引用接触线 第四部分:钢、铝及铝合金复合接触线

Standard Type
GB
ICS
29.060.10
CCS
K13
Status
废止
Issue Date
1991-06-06
Implementation
1992-03-01
Responsible Dept
中国电器工业协会
Drafting Unit
N/A