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<div>Hello;</div>
<div><span>In the case of several zones.</span><br>
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<div>I have a question for coupling air to the adjacent walls.</div>
<div>How does one take this value of the flow (kg / h)?</div>
<div>For the definition of this value (I mit the same flow in the back and the front of the wall)?</div>
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<div>Cordially.</div>
<div>Ilyas.</div>
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