00401nam a2200133Ia 4500100003400000650001400034942000700048245003300055260003700088082001000125546001200135999001700147952010300164  aMachinery yellow back series   aChemistry  cBK  aPower Metallurgy In Practice  bMachinery Publication & coc2001  a671.3  aENGLISH  c33053d33053  001040708AFTaCRCEbCRCEd2023-03-17g6.30l0o671.3 pAFT492r2023-03-17v6.30w2023-03-17yBK