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Terminology classification and code of geology and mineral resources - Part 17: Coal geology
Translate name
STANDARD published on 15.10.2009
Designation standards: GB/T 9649.17-2009
Publication date standards: 15.10.2009
SKU: NS-892130
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2026-11-02 (Number of items: 2 209 038)
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