000 00292nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a621.84 P362
100 _aPEARSON.G.H
245 0 _aVALVE DESIGN
260 _aLONDON
_bMECHANICAL ENGINEERING
_c1978
300 _a22X16
942 _cBK
_2DDC
999 _c18108
_d18108