000 00300nam a2200121Ia 4500
008 220201s2010 xx 000 0 eng d
082 _a604.2
_bDHA
100 _aDhawan, Er. R.K.
245 2 _aA Textbook of engineering drawing
260 _aNew Delhi
_bS. Chand
_c2010
300 _a660
942 _2ddc
999 _c63998
_d63998