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(11) | EP 1 607 546 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | A control arrangement |
(57) A control arrangement (10) is arrangeable over an area. The arrangement (10) comprises
a transmissive region (14) to allow the passage of water therethrough, and a non-transmissive
region (12) to substantially prevent the passage of water therethrough. When the arrangement
(10) is arranged over said area, the condition of the atmosphere in the area is controlled.
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