GB 7793-2010

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

NORMA vydaná dňa 14.1.2011

Anglicky a čínsky -
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The information about the standard:

Designation standards: GB 7793-2010
Publication date standards: 14.1.2011
Country: Chinese technical standard
Kategória: Technické normy GB