00247cam a2200097ua 4500082001800000100002100018245003900039250001700078260004800095300000600143  a604.2bVAR/EN  aVarghese, P.I  .  aEngineering Graphics for Degree /   a25 th re& en  aThrissur : bV.I.P Publishers , c2011,2014  a