| 摘要 |
The invention relates to a method for cleaning and maintaining an impervious cloth. It is characterised in that there is mixed with water 4 at least approximately seven per cent of detergent 5 and at least seven per cent of alkali 6, and in that this mixture is then delivered to the cloth 1 at a pressure of at least approximately three bar. For industrial use as equipment for cleaning the cloth of blinds, awnings or baskets. <IMAGE>
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