GB/T 20509-2023

Copper and copper alloys drawing for contacting materials of electric locomotives

NORMA vydána dne 23.5.2023

Anglicky a čínsky -
Elektronické PDF (6597.00 CZK)

The information about the standard:

Designation standards: GB/T 20509-2023
Publication date standards: 23.5.2023
Country: Chinese technical standard
Kategorie: Technické normy GB