Acoustics - Determination Of Sound Power Radiated Into A Duct By Fans - In-duct Method
出版:Swiss Standards
专家解读视频
Specifies a method for the determination of the acoustic power radiated into a duct by fans and other aerodynamic sound sources (flaps, throttles, boxes).
DIN EN 25136 (1994-02) - Identical
DIN EN 25136 : 1994 - Identical
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