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040 _aUPES LIBRARY
_bEnglish
082 _a622.3381
_bMCC
100 _aMccray, Arthur W.
_96767
245 _aOil well drilling technology
260 _c1959
_bNew India,
_aNew Delhi:
300 _a492p.
650 _aMining
653 _aDrilling
700 _aCole, Frank W
_91634
942 _cBB
999 _c231
_d231