000 00290nam a2200145Ia 4500
100 _aGUPTA/R.B.
650 _aMachine Drawing
942 _cBK
366 _f20
245 _aMachine Drawing
260 _bSatya prakashan
_aNew Delhi
300 _a791
546 _aENGLISH
999 _c35569
_d35569