00413nam a2200145Ia 4500100002200000250000600022942000700028654001500035245004400050260004100094300000800135546001200143999001700155952009500172  aRoy/P.R & others   a4  cBK  aMechanical  aElements of Mechanical Engineering  4th  bMedia promoters & pub.aBombayc1978  a486  aENGLISH  c23459d23459  001040708CRCaCRCEbCRCEc1437 | 42d2023-03-17l0o p9254r2023-03-17w2023-03-17yBK