74178599
Jun 20, 1991
Nov 24, 1992
steam ejector systems consisting of steam ejectors, condensers and associated valves, controls, piping and instrumentation; steam ejectors; vacuum systems consisting of steam ejectors, vacuum pumps and motors, condensers and associated valves, controls, piping and instrumentation; condensers; and parts for all the foregoing for use in producing vacuum for a wide variety of industrial applications including but not limited to chemical manufacturing, food processing, steel making and electric power generation
Machinery