GB/T 4728.7-2022

Graphical symbols for electrical diagrams—Part 7:Switchgear,controlgear and protective devices

NORMA vydána dne 12.10.2022

The information about the standard:

Designation standards: GB/T 4728.7-2022
Publication date standards: 12.10.2022
Country: Chinese technical standard
Kategorie: Technické normy GB