000 00272nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a604.2
100 _aDhawan R K
245 0 _aEngineering Graphics
250 _a1
260 _bS Chand, New Delhi
_c2010
942 _cBK
999 _c17323
_d17323