000 00387nam a2200133Ia 4500
005 20240911060552.0
008 190705s9999 xx 000 0 und d
020 _a9061915538
082 _a622.23
_bCHU
100 _aChugh, C. P.
_96752
245 0 _aManual of drilling technology /
_cC. P. Chugh
260 _aNew Delhi :
_bOxonian press pvt. Ltd. ,
_c1985
650 _aDrilling Technology
_96753
999 _c563
_d563