| 摘要 |
Surface blasting device using a jet of compressed air, fine grain blasting materials and liquid, said device comprising a frame, a first reservoir for storing a fluid put under pressure by a pump, a second reservoir for storing a fine grain blasting materials pressurized by compressed air means, a motor, blasting means, cooling means, an alternator, energy storage means for supplying the device with energy and connecting means for connecting the blasting means with the first and second reservoir. The blasting means comprise a blasting nozzle with an outer body having a tapered bore which extends over the full length of the outer body, said nozzle being arranged on a handle provided with a trigger, said handle being connected to the connecting means to turn the liquid and the compressed air/blasting materials mixture on or off.
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