GB/T 51421-2020

Technical standard of communication pole line engineering for aerial optical(copper)cable

NORMA vydána dne 16.1.2020

Anglicky a čínsky -
Elektronické PDF (NA DOTAZ)

The information about the standard:

Designation standards: GB/T 51421-2020
Publication date standards: 16.1.2020
Country: Chinese technical standard
Kategorie: Technické normy GB