000 00313nam a2200109Ia 4500
008 220201s1993 xx 000 0 eng d
100 _aGUPTA, R B
245 0 _aENGINEERING DRAWING & GRAPHICS
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1993
300 _a133,SV,185,108,96,123,56,20
942 _2ddc
999 _c58828
_d58828