| 摘要 |
The invention relates to an air conditioning duct for livestock buildings, for example, in which duct there is a guide plate 4 for producing an even distribution of air, the plate being suspended on cables 6 or the like essentially in a horizontal plane and being moveable in a vertical stages by way of the said cables or the like, so that adjustable air openings are formed between the said plate and the duct trunking. <IMAGE>
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