
Acoustics. Measurement of insertion loss of ducted silencers without flow. Laboratory survey method
出版:British Standards Institution

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© British Standards Institution 2013
ISO 11691:1995 - Identical
I.S. EN ISO 11691:2009 - Identical
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UNI EN ISO 11691:2009 - Identical
NF EN ISO 11691:2009 - Identical
NBN EN ISO 11691:2009 - Identical
DIN EN ISO 11691 (2010-01) - Identical
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ONORM EN ISO 11691:2010 - Identical
SS EN ISO 11691 Ed. 2 (2009) - Identical
SN EN ISO 11691:2010 - Identical
UNE EN ISO 11691:2010 - Identical