000 00273nam a2200109Ia 4500
008 220201s1998 xx 000 0 eng d
100 _aGUPTA, R.B.
245 0 _aT.B. OF ENGINEERING DRAWING
260 _aDELHI
_bSATYA PRAKASHAN
_c1998
300 _a435+264+110
942 _2ddc
999 _c67520
_d67520