✦ LIBER ✦
A probe into “mining technique in the condition of floor failure” for coal seam above longwall goafs
✍ Scribed by Guo-rui Feng; Xian-xia Wang; Li-xun Kang
- Book ID
- 113101870
- Publisher
- China Coal Society
- Year
- 2008
- Tongue
- English
- Weight
- 282 KB
- Volume
- 14
- Category
- Article
- ISSN
- 1006-9097
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