MEDVAC
Vacuum pumps, compressors and vacuum systems composed thereof; compressors for machines, and vacuum systems comprised of liquid ring pumps, claw pumps, rotary vane pumps, screw pumps, scroll pumps, and roots pumps; monitor and control devices, namely, pump control valves as part of a vacuum system for controlling vacuum pumps
Cancelled · August 5, 2008 · 79063716 ·