GB/T 20509-2023

Copper and copper alloys drawing for contacting materials of electric locomotives

NORMA vydaná dňa 23.5.2023

Anglicky a čínsky -
Elektronické PDF (273.20 EUR)

The information about the standard:

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