000 00300nam a2200109Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
100 _aVTU Jnana Sangama
245 0 _aPrimer on computer aided engineering drawing
260 _aVTU press
_bNew Delhi
_c2006
300 _b0
650 _aPOWER ELECTRONICS
999 _c136842
_d136842