000 00292nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a604.2 DHA
100 _aDHAWN (R.K)
245 _aText Book of engineering drawing
260 _aNEW DELHI
_bS.Chand & Co
365 _cRs
999 _c212512
_d212512