UNE EN 60645-3:2009现行
Electroacoustics - Audiometric Equipment - Part 3: Test Signals Of Short Duration
出版：Asociacion Espanola de Normalizacion
专家解读视频
Specifies a means of describing the physical characteristics of audiometric reference and test signals of short duration and methods for their measurement.
1997 Edition still active. (06/2009)
NBN EN 60645-3:2007 - Identical
BS EN 60645-3:2007 - Identical
SN EN 60645-3:1995 - Identical
DIN EN 60645-3 (2008-01) - Identical
SS EN 60645-3 Ed. 2 (2008) - Identical
NF EN 60645-3:2007 - Identical
I.S. EN 60645-3:2007 - Identical
