| 摘要 |
A device for packaging and dispensing at least one fluid substance. The device has at least one container filled with a substance by a vacuum-filling process, a pump associated with the container and having a pump chamber into which the substance is drawn prior to being delivered to the outside, and an anti-vacuum valve-forming device organized to isolate the pump chamber(s) of the pump(s) from the inside(s) of the associated container(s) when a vacuum is established therein for filling purposes.
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