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  4. Standard "GB 7793-1987"
WITHDRAWN GB 7793-1987 12.5.1987 preview

GB 7793-1987

Hygienic standard of lighting and illumination in elementary and middle school

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STANDARD published on 12.5.1987


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Price238.80 USD excl. VAT
238.80 USD

The information about the standard:

Designation standards: GB 7793-1987
Note: WITHDRAWN
Publication date standards: 12.5.1987
SKU: NS-896816
Country: Chinese technical standard
Category: Technical standards GB

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