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  4. Standard "GB 11531-1989"
WITHDRAWN GB 11531-1989 20.6.1989 preview

GB 11531-1989

Hygienic standard for copper dust and fume in the air of workplace

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STANDARD published on 20.6.1989


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Price298.80 USD excl. VAT
298.80 USD

The information about the standard:

Designation standards: GB 11531-1989
Note: WITHDRAWN
Publication date standards: 20.6.1989
SKU: NS-893173
Country: Chinese technical standard
Category: Technical standards GB

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