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  4. Standard "GB/T 31089-2014"
Standard GB/T 31089-2014 22.12.2014 preview

GB/T 31089-2014

Computation and requirement of recovery ratio of coal mine



STANDARD published on 22.12.2014


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Price226.80 USD excl. VAT
226.80 USD

The information about the standard:

Designation standards: GB/T 31089-2014
Publication date standards: 22.12.2014
SKU: NS-366875
Country: Chinese technical standard
Category: Technical standards GB

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