000 00289nam a2200133Ia 4500
100 _aBhatt, N D
250 _a21st ed
654 _aENGINEERING
942 _cBK
245 _aMachine drawing
260 _aCharotar Publishing House, Anand
_c1986
082 _a621.8 Bha
300 _ax, 214
999 _c18457
_d18457