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| 082 | _a622.33 | ||
| 100 | _aDAS , SAMIR KUMAR | ||
| 245 | _aADVANCED COAL MINING TECHNOLOGY | ||
| 250 | _a1ST ED. 2022 | ||
| 260 |
_aWEST BENGAL _bSAGARDEEP PRAKASHAN |
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| 650 | _aMINING | ||
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