| 摘要 |
The invention relates to a spraying device for improving and purifying the air, having a container for the propellant gas and the medium to be sprayed, on whose connection nozzle a shutoff valve is arranged which is engaged with a can in order to allow automatic spraying operation by continuous spraying or puffs of spray of a substance. A spraying device is provided for this purpose, in which one or more jets are pressurised by pulse control for automatic odour removal.
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