00334nam a22001457a 4500003000400000005001700004008004100021020001500062040000700077082000800084100001600092245004700108260002500155300000800180OSt20220124161015.0220124b        |||||||| |||| 00| 0 eng d  a8121935261  cHU  a621  aSingh Sadhu  aPrinciples Of Mechanical EngineeringNew De  aNew DelhibNew Delhi  f652