00378nam a2200121Ia 4500008004100000041000800041082001700049100002600066245004300092260004600135300001400181700006100195220530s9999    xx            000 0 und d  aeng  a631.304bCHO  aChoudhaury Hajara S K  aElements of Workshop Technology Vol II  aMumbaibMedia Pramotors & Pubishersc2011  a713 PbPB  a Bhattacharya S C  Choudhury  Hajara A K  Roy  Niirjhar