✦ LIBER ✦
Three models of technology for mining gently inclined thick coal seam with sub-level caving mining method (in Chinese) : Wu Jian, Yu Haiyong & Zhang Haige, Journal - China Coal Society, 19(6), 1994, pp 612–619
- Book ID
- 100042768
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 124 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0148-9062
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