00311nam a2200121Ia 4500008004100000041001200041082001800053100001800071245005700089260002100146300000700167650001500174231217s9999    xx            000 0 und d  aEnglish  a627.0202  RAV  aRavindran A S 0aLaboratory work in hydraulics and hydraulic machines  cNULLbBest publ.  a42  aHydraulics