00726nam a2200241Ia 4500003000900000008004100009020001800050040001600068080001600084100002600100245005600126250001200182260003800194300001400232490001500246650002700261650002600288650002400314650002900338942000700367999001700374952009300391IN-BaIIA211028s9999    xx            000 0 eng d  a0-471-81242-0  cIIA Library  a533.5bO'HA  aO'Hanlon, J. F926297 2aA user's guide to vaccum technologycJ. F. O'Hanlon  a2nd ed.  aNew YorkbJohn Wiley & Sonsc1989  axv, 481p.  aXerox copy  aCryogenic pumps926298  aGas properties926299  aVaccum pumps926300  aVaccum technology926301  cBK  c14710d14710  00104070aBANbBANcGENd2002-07-15l0o533.5/ O'HAp15632r2021-11-05w2002-07-15yBK