000 00475nam a22001697a 4500
008 230619b |||||||| |||| 00| 0 eng d
020 _a9780872018921
040 _aNational Science Library
_cNational Science Library
080 _aR 621.646.2(02)
_bM1
100 _aZappe, R W
_911925
245 _aValve selection handbook
260 _aHouston:
_bGulf Pub. Co.,
_c1981
300 _axiii, 278p.
650 _aScience
653 _aValve selection
942 _2udc
_cHDK
999 _c44619
_d44619