| 摘要 |
Ventilation duct for cereal and various grain stored in bulk. The invention relates to a duct (4) which is completely closed, of cylindrical or some other shape, equipped with perforations and supplemented by specially-designed diffusers (5), ensuring the diffusion of large throughputs of air at specific locations. The device according to the invention is particularly intended for the ventilation and fumigation of cereals and grains and various seeds. <IMAGE>
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