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Draft standard

PR NF S31-126/A1 ; PR NF EN 16583/A1
Heat exchangers - Hydronic room fan coils units - Determination of the sound power level

Title (German)

Wärmeübertrager - Wasser-Luft-Ventilatorkonvektoren - Bestimmung des Schallleistungspegels

Original language English , French
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