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  4. Standard "GB/T 40546-2021"
Standard GB/T 40546-2021 20.8.2021 preview

GB/T 40546-2021

Design specification for coalbed methane well drainage engineering

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STANDARD published on 20.8.2021


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526.80 USD

The information about the standard:

Designation standards: GB/T 40546-2021
Publication date standards: 20.8.2021
SKU: NS-1035398
Country: Chinese technical standard
Category: Technical standards GB

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