
Industrial fans - Determination of fan sound power levels under standardized laboratory conditions Part 2: Reverberant room method
出版:International Organization for Standardization

专家解读视频
BS ISO 13347-2:2004 - Identical
BS 848-2.2:2004 - Identical
NF ISO 13347-2:2004 - Identical
KS B ISO 13347-2:2005 - Identical