000 00331nam a22001457a 4500
003 OSt
020 _a9789350143155
082 _a621.815
_bGIL
100 _aGILL, P.S.
245 _aENGINEERING DRAWING (GEOMETRICAL DRAWING)
260 _aNEW DELHI
_bKATSON BOOKS
_c2012
300 _a678
650 _aMECHANICAL
942 _2ddc
_cD
999 _c86300
_d86300