00406nam a2200121Ia 4500008004100000041000800041082001700049100002500066245006700091260005500158300001400213700005700227220530s9999    xx            000 0 und d  aeng  a631.304bCHO  aChoudhury Hajara S K  aElements of Workshop Technology Vol IbManufacturing Processes  aMumbaibMedia Promoters & Publishers Pvt Ltdc2011  a670 PbPB  a Battachary S C  Choudhury  Hajara A K Roy Nirjhar