000 00288nam a2200121Ia 4500
008 220201s1999 xx 000 0 eng d
082 _a604.2
_bDHA
100 _aDhawan,R.K.
245 0 _aTextbook of engineering drawing
260 _aDelhi
_bS.Chand
_c1999
300 _a248
942 _2ddc
999 _c35458
_d35458