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Analytic Method of Calculating Gas Content in Coal Seams in Deep Mining
Analytic Method of Calculating Gas Content in Coal Seams in Deep Mining
Analytic Method of Calculating Gas Content in Coal Seams in Deep Mining
Wang, H.-t. (author) / Xian, X.-f. (author) / Du, Y.-g. (author)
2002-01-01
3 pages
Article (Journal)
Unknown
DDC:
622
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