https://www.imt.kit.edu/wiki/index.php?action=history&feed=atom&title=File%3AVentilationValve_VacuumPump.jpg File:VentilationValve VacuumPump.jpg - Revision history 2026-11-04T23:51:22Z Revision history for this page on the wiki MediaWiki 1.39.17 https://www.imt.kit.edu/wiki/index.php?title=File:VentilationValve_VacuumPump.jpg&diff=4336&oldid=prev Reetu.Joseph: The ventilation valve must be closed before the operation. 2016-06-15T14:27:18Z <p>The ventilation valve must be closed before the operation.</p> <p><b>New page</b></p><div>The ventilation valve must be closed before the operation.</div> Reetu.Joseph