GB/T 21741-2021

General specifications for security system for residential areas

NORMA vydána dne 31.12.2021

Anglicky a čínsky -
Elektronické PDF (7815.00 CZK)

The information about the standard:

Designation standards: GB/T 21741-2021
Publication date standards: 31.12.2021
Country: Chinese technical standard
Kategorie: Technické normy GB