| 摘要 |
The subject of the invention relates to the technical sphere of pumping means. The device essentially comprises an element 1 in the form of a tubular collar formed to be directly fitted or separately added to the end of the pumping pipe T immersed in the liquid manure or other substance, the said collar 1 being designed, on the one hand, to be fed with a pressurised fluid and, on the other hand, to inject the said fluid towards the orifice of the pumping pipe T. The invention is used in particular for the pumping of liquid manure. <IMAGE>
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