| 摘要 |
Discharge device which consists of a bell-shaped part, which constitutes a chamber which is closed at the top part, which, via its inside, is traversed by the tube which constitutes the adjustable overflow, and the discharge pin, which is joined to a final piece in a bell- shaped form, which fits over a gasket arranged over the top part of the end of said piece. Discharge takes place through the effect of suction towards the top part of the bell-shaped part of the vessel, where it is held by capillary effect owing to surface tension. <IMAGE>
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