00350nam a2200133Ia 4500008004100000020001800041041000800059082001600067100001700083245003300100250002000133260004500153300001800198220530s9999    xx            000 0 und d  a9788121908245  aeng  a621.08bDHA  aDhawan R. K.  aText book of Machine Drawing  aRevised Edition  aNew  DelhibS  Chand  Publicationsc2014  aIX;725 P.bPB