| 摘要 |
The invention relates to a liquid dispenser, in particular to a dosing dispenser with a discharge tubule with an integral outlet duct for delivering a liquid via an outlet port and an integrated return duct which extends along the outlet duct, a discharge tubule kit system and a discharge tubule. The liquid dispenser contains a supplying device with a supplying or dosing cylinder, a supplying or dosing plunger which can be moved back and forth therein for supplying the liquid from a container to an outlet duct in order to dispense the liquid via an outlet port of the outlet duct, the said outlet duct being formed in an integral manner by a discharge tubule. According to the invention, the outlet port is formed for connection to the return duct by means of a connecting device, which extends integrally in the discharge tubule along the outlet duct.
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