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| 037 | _cGeneral Book | ||
| 040 |
_aRTL _cRTL _beng |
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| 041 |
_2eng _aeng |
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| 082 | _aX9(HZ):8p2,N78, L9 | ||
| 110 |
_aSeminar on Tribology in Mine. 1978 (Calcutta) _9306150 |
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| 245 | 0 |
_aTribology in mines _b Seminar proceedings |
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| 260 |
_a New Delhi _bNational Productivity Council Publication India _c1979 |
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| 300 |
_axv, 269p. _ccm. |
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| 650 |
_aMinings _9234290 |
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| 700 |
_aSeminar on Tribology in Mine. 1978 (Calcutta) _9306151 |
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| 942 |
_hX9(HZ):8p2,N78, L9 _cGB _2CC |
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| 999 |
_c605588 _d605588 |
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