00337    a2200109   450000500170000002000180001708200140003510000200004924500700006926000520013930000360019120250430173936.0  a0 340 12444 X  a620.1 PRI  aPRITCHARD, R.T.  aWorkshop Processes for Mechanical Engineering Technicians, Vol. 1  aLondonbThe English University Press Ltd.c1971  aviii, 216p. ill.,bIndexc21cm.