GB 7793-2025

Hygienic standard for day lighting and artificial lighting for middle and elementary school

NORMA vydána dne 5.10.2025

Anglicky a čínsky -
Elektronické PDF (NA DOTAZ)

The information about the standard:

Designation standards: GB 7793-2025
Note: K dispozici od: listopad 2026
Publication date standards: 5.10.2025
Country: Chinese technical standard
Kategorie: Technické normy GB