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005 | 20211222145638.0 | ||
008 | 211206b ||||| |||| 00| 0 eng d | ||
082 | _a622.31 D19E | ||
100 |
_a Das,Samir Kumar _91773 |
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245 | _aExplosives,Drilling,and Blasting,Practices in the Mines Including The Metalliferous Mining | ||
250 | _a1 | ||
260 |
_bSagar Deep Prakashan _aWest Bengal _c2021 |
||
300 | _ap.498 | ||
650 |
_bBlasting Practices in Surface Mines _91774 |
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650 |
_bTheory of Rock Fragnentation By Blasting _91775 |
||
650 |
_bDrills and Drilling _91776 |
||
942 | _cBK |