NBN EN 61669:2002被替代
Electroacoustics - Equipment For The Measurement Of Real-ear Acoustical Characteristics Of Hearing Aids
出版：Belgian Standards
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.
SS EN 61669 Ed. 1 (2001) - Identical
UNE EN 61669:2003 - Identical
I.S. EN 61669:2001 - Identical
NF EN 61669:2002 - Identical
DIN EN 61669 (2002-11) - Identical
BS EN 61669:2001 - Identical
SN EN 61669:2001 - Identical
BS EN 61669:2016 - Identical
EN 61669:2016 - Identical
