GB 12971.4-1991

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

NORM herausgegeben am 6.6.1991

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The information about the standard:

Designation standards: GB 12971.4-1991
Note: UNGÜLTIG
Publication date standards: 6.6.1991
Country: Chinese technical standard
Kategorie: Technische Normen GB