| 摘要 |
Manual spraying device including a push-button that can be actuated manually, the push-button including a spray nozzle, the spray nozzle having an inner chamber adapted to receive a non-gaseous fluid product under pressure and delimited towards the outside by a perforated front wall, a reservoir for the fluid product to be sprayed, and a dispensing device that can be mechanically actuated by the push-button and adapted to transfer the fluid product from the reservoir to the inner chamber of the nozzle, the front wall having a plurality of calibrated holes, each having a diameter of between 1 and 100 μm, the diameter of each hole not differing from a mean of the diameters of the various holes by more than 20%.
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