GB 7793-1987

Hygienic standard of lighting and illumination in elementary and middle school

STANDARD published on 12.5.1987

English, Chinese -
electronic design (pdf) (248.80 USD)

The information about the standard:

Designation standards: GB 7793-1987
Note: WITHDRAWN
Publication date standards: 12.5.1987
Country: Chinese technical standard
Category: Technical standards GB