| 摘要 |
Improved spraying installation equipped with a sprayer 1 including a nozzle which can be brought from a spraying position into a clearing position and vice versa, characterised in that it includes a device suitable for automatically ensuring, at regular intervals of a predetermined frequency, using suitable means which advantageously include a pneumatic cylinder V, the operation of the sprayer, including the nozzle, from the spraying position towards the clearing position and vice versa, after holding the nozzle in the clearing position for a predetermined time sufficient to clear it. <IMAGE>
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