000 00298nam a2200121Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
082 _a604.2 DUB
100 _aDubey, N.W
_911343
245 0 _aEngineering graphics
260 _bPune
_c2003
300 _a389p.
_b140
650 _aCOMMUNICATION SYSTEM
999 _c136223
_d136223