✦ LIBER ✦
Research on mining cost of coalbed methane based on activity management—Field study of mining with pressure-releasing in Yangquan minefield
✍ Scribed by Zheng Ai-hua; Zheng Xiao-hua; Xu Jia-lin; Wu Ren-lun
- Book ID
- 116847071
- Publisher
- Elsevier
- Year
- 2009
- Weight
- 870 KB
- Volume
- 1
- Category
- Article
- ISSN
- 1878-5220
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