I.S. EN 25136:1994被替代
Acoustics - Determination of Sound Power Radiated Into a Duct by Fans - In-duct Method
出版：National Standards Authority of Ireland
专家解读视频
Specifies a method for testing ducted fans to determine the sound power radiated into an anechoically-terminated duct on the inlet and/or outlet side of the equipment.
NBN EN 25136:1995 - Identical
BS EN 25136:1994 - Identical
DIN EN 25136 (1994-02) - Identical
ONORM EN 25136:1994 - Identical
NF EN 25136:1994 - Identical
UNI EN 25136:1995 - Identical
UNE EN 25136:1995 - Identical
ISO 5136:2003 - Identical
SS EN 25136 Ed. 1 (1994) - Identical
