UNE EN 61669:2003现行
Electroacoustics - Equipment For The Measurement Of Real-ear Acoustical Characteristics Of Hearing Aids
出版：Asociacion Espanola de Normalizacion
专家解读视频
Defines the general requirements for test equipment designed for use in measuring the real-ear acoustical characteristics of hearing aids and describes the terminology used.
I.S. EN 61669:2001 - Identical
IEC 61669 Ed. 1.0 - Identical
NF EN 61669:2002 - Identical
SN EN 61669:2001 - Identical
SS EN 61669 Ed. 1 (2001) - Identical
SN EN 61669:2016 - Identical
BS EN 61669:2016 - Identical
DIN EN 61669 : 2013 - Identical
DIN EN 61669 : 2013 - Identical
BS EN 61669 : 2016 - Identical
I.S. EN 61669:2016 - Identical
NF EN 61669:2016 - Identical
EN 61669:2016 - Identical
SS EN 61669 Ed. 2 (2016) - Identical
NBN EN 61669:2016 - Identical
BS EN 61669:2001 - Identical
DIN EN 61669 (2002-11) - Identical
NBN EN 61669:2002 - Identical
