000 00307nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a621.64 W754
100 _aWILSON,W.E
245 0 _aPOSITIVE DISPLACEMENT PUMPS AND FLUID MOTORS
260 _aLONDON
_bPitman
_c1950
300 _a24X15
942 _cBK
_2DDC
999 _c11983
_d11983