GB 12971.4-1991

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

STANDARD published on 6.6.1991

English, Chinese -
electronic design (pdf) (398.80 USD)

The information about the standard:

Designation standards: GB 12971.4-1991
Note: WITHDRAWN
Publication date standards: 6.6.1991
Country: Chinese technical standard
Category: Technical standards GB