| 摘要 |
The invention relates to a dosing head ( 1 ) for dispensing a fluid from a container, comprising an inlet opening ( 4 ) for connecting to the container, an outlet opening ( 3 ) connected to the inlet opening ( 4 ) via a conduit, a pump ( 5 ) received in the conduit and a aerating opening ( 6 ) for connecting to the container ( 2 ), wherein a liquid seal ( 8 ) is arranged between the aerating opening ( 6 ) and the container ( 2 ). This liquid seal can comprise an aerating channel ( 15 ) rotated twice through about 180° and can be "assembled from two mutually connected parts ( 18, 19 ). The invention further relates to such a dosing head provided with a secondary inlet opening to be connected to the container and closable by means of an element which can be operated by gravity.
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