00270nam a2200109Ia 4500100001900000654001500019245005000034260004200084082001300126300000900139546001200148  aRamamrutham/S   ahydraulics  aHydraulics Fluid Mechanics and Fluid Machines  bDHANPAT RAI AND SONSaNew Delhic1985  a532bRAM  a1192  aENGLISH