00333nam a2200121Ia 4500008004100000041000800041082001600049100001500065245004900080250001200129260004300141650002700184230711s9999||||xx |||||||||||||| ||und||  aENG  a604.2bDH-E  aDhawan,B.D 0aTextbook of engineering drawing and graphics  a1st Ed.  c2004aNew DelhibS.Chand & Company Ltd  aMechanical Engineering