000 00290nam a2200121 a 4500
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001 1625
942 _02
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245 _aHydraulic turbines :
_bwith a chapter a centrifugal pumps
260 _c1920
008 141112s1920 ck r 000 u spa d
082 _a621.24
_bD238
999 _c6968
_d6968