000 00664nam a2200241Ia 4500
003 OSt
005 20220925233715.0
006 a|||||r|||| 00| 0
007 ta
008 220923b |||||||| |||| 00| 0 eng d
020 _a8170418631
037 _cGeneral Book
040 _aRTL
_cRTL
_beng
041 _2eng
_aeng
082 _aX9(F551).2.N9, N4
100 _aMittal D K
245 0 _aCoal industry
260 _a New Delhi
_bAnmol Publication India
_c1994
300 _axxi,280p. Appendix p. 251-80
_ccm.
650 _aCoal Industry
_9229957
942 _hX9(F551).2.N9, N4
_cGB
_2CC
999 _c594375
_d594375