| 摘要 |
A fluid dispenser pump having: a pump body; a pump chamber; at least a first piston that slides in the pump chamber between a rest position and an actuated position so as to dispense the fluid; and a dispenser orifice; the pump chamber including an inlet valve that separates the pump chamber from a channel that extends towards a fluid reservoir, a bypass being provided between the channel and the pump chamber, the bypass being disposed upstream from the inlet valve, the bypass connecting the pump chamber to the reservoir when the piston is in its actuated position.
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