000 00297nam a2200121Ia 4500
654 _aMECH
100 _aStanley.Colvin.
250 _a1st Ed.
245 _aDrilling &Surfacing Practice.(1948).
260 _bTata McGraw-Hill Publishing Company Limited
_c1957
082 _bSTA
999 _c1005
_d1005
300 _c24 cm.
655 _aM-23
041 _aeng
546 _aText in English