Aluminum alloys power cables with extruded insulation for rated voltages from 1kV(Um=1.2kV)up to 35kV(Um=40.5 kV)—Part 1: Cables for rate voltages of 1kV(Um=1.2kV) and 3kV(Um=3.6kV)
NORMA vydaná dňa 5.10.2025
Designation standards: GB/T 31840.1-2025
Note: K dispozici od: únor 2026
Publication date standards: 5.10.2025
Country: Chinese technical standard
Kategória: Technické normy GB