000 00278nam a2200097Ia 4500
100 _aChoudhary S.K.Hajra, Choudhary A.K.Hajra & Bhattacharya S.C.
942 _cBK
245 _aElements of workshop technology .vol 1: manu........-7th ed
260 _c1983
082 _a620.1 Cho/Ele
999 _c18144
_d18144