"300379866" . . "chambers, vacuum"@en . "A chamber designed to create a vacuum environment by removal of air and gasses with a pump. In conservation science practice, vacuum chambers are used for such purposes as drying, degassing, fumigation, resin impregnation."@en . . "vacuum chamber"@en . "2014-01-04T19:01:55"^^ . "2012-11-06T11:41:17"^^ . "vacuum chambers"@en . .