000 00388nam a2200169Ia 4500
001 19999
003 IN-NITTTR
005 20251114233229.0
008 251113s9999||||xx |||||||||||||| ||eng||
040 _beng
040 _cIN-NITTTR
041 _aeng
082 _a627.75 C47M
100 _aChugh, C. P.
245 0 _aManual of drilling technology. /
_cChugh, C. P.
942 _2ddc
_cBK
999 _c22633
_d22633