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  3. Technical standards GB
  4. Standard "GB 50419-2007"
WITHDRAWN GB 50419-2007 1.1.2007 preview

GB 50419-2007

Code for design of roadway section and junction of coal mine

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STANDARD published on 1.1.2007


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The information about the standard:

Designation standards: GB 50419-2007
Note: WITHDRAWN
Publication date standards: 1.1.2007
SKU: NS-1235718
Country: Chinese technical standard
Category: Technical standards GB

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Latest update: 2026-05-04 (Number of items: 2 275 493)
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