000 00467nam a2200193Ia 4500
005 20250619145151.0
008 250619s9999||||xx |||||||||||||| ||und||
020 _c71.50
040 _aMAIN
041 _aEnglish
082 _a622.23
_bCHU
100 _aChugh, C.P.
245 0 _aManual of drilling technology
260 _aNew Delhi
_b; Oxonian Press
_c, 1985
300 _axv,567p.
650 _aDrilling Technology
650 _aEngineering
942 _cBK
999 _c123044
_d123044