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  4. Standard "GB 11724-1989"
WITHDRAWN GB 11724-1989 30.12.1988 preview

GB 11724-1989

Health standard for dust containing 50%~80% free silica in the air of workplace

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STANDARD published on 30.12.1988


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Price198.80 USD excl. VAT
198.80 USD

The information about the standard:

Designation standards: GB 11724-1989
Note: WITHDRAWN
Publication date standards: 30.12.1988
SKU: NS-1176193
Country: Chinese technical standard
Category: Technical standards GB

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