✦ LIBER ✦
The adjusting mining technology of combining fully mechanized with individual prop, rotating, hilt, irregular form, and double unit face on thin coal seam of Tianchen Mine
✍ Scribed by Hua-ling Song; Guo-feng Wen; Jin-ke Li
- Book ID
- 113101875
- Publisher
- China Coal Society
- Year
- 2008
- Tongue
- English
- Weight
- 251 KB
- Volume
- 14
- Category
- Article
- ISSN
- 1006-9097
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