| 摘要 |
The present invention relates to an apparatus for the calibrated pouring of a liquid to be metered. An apparatus according to the invention comprises a volumetric pump 1, a storage tank 2, a chamber 3 serving both as a pouring chamber and a recycling chamber, two control elements 4 and 7 associated with the said chamber, one for controlling the opening of the pouring orifice 3c and the other for controlling the recycling orifice 3b. <IMAGE>
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