GB 12971.3-1991

Trolley and contact wires for electric traction—Part 3:Aluminium and steel composite trolley and contact wires

NORMA vydaná dňa 6.6.1991

The information about the standard:

Designation standards: GB 12971.3-1991
Note: NEPLATNÁ
Publication date standards: 6.6.1991
Country: Chinese technical standard
Kategória: Technické normy GB