GB 7793-2025

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

NORM herausgegeben am 5.10.2025

English, Chinesisch -
Elektronische PDF (219.00 EUR)

The information about the standard:

Designation standards: GB 7793-2025
Note: Execute Date: november 2026
Publication date standards: 5.10.2025
Country: Chinese technical standard
Kategorie: Technische Normen GB