| 摘要 |
Improvements which consist in replacing the foam nozzle (lance) with a gun with a large handgrip angle, which has two take-offs for the pipes via which it receives the liquid and the compressed air, with a control key and two adjustment screws, the gun carrying a battery of filters in its barrel and two internal channels. The storage device has, in its upper part, a cover in the shape of a disc on which a safety valve, a socket (outlet) for the compressed-air conduit, an analog pressure manometer (gauge) and the electrovalve (solenoid valve) which regulates the delivery of the detergent are coupled. <IMAGE>
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