| 摘要 |
This device comprises a closing-off stopper 2, hermetically securing, at the opening of the container 1, a drawing-off tube 3 which is immersed in the liquid 7 and which passes through the stopper 2 and emerges outside through a tap 4, and an expandable pouch 5 passing through the stopper 2 and connected on the outside to a pressure source 6. Application, in particular, to wine, champagne and beer. <IMAGE>
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