000 004680000a22001690004500
008 160725b1982 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a621.646
_bD7
942 _cCF
100 _aDriskell, L.
700 _aIstrument Society of America
245 _aControl valve sizing (student text, instructor's guide slides (set of 58)) [slide]
260 _aNorth Carolina
260 _c1982
650 _aSAFETY VALVES
650 _aVALVES AND VALVE GEAR
999 _c19858
_d19858