I.S. EN 61669:2016現行
Electroacoustics - Measurement of Real-ear Acoustical Performance Characteristics of Hearing Aids
出版：National Standards Authority of Ireland
專家解讀視頻
Provides recommendations and requirements for the measurement and estimation of the real-ear acoustical performance characteristics of air-conduction hearing aids and for the measurement of certain acoustic properties of the ear related to the application of hearing aids.
SN EN 61669:2016 - Identical
SS EN 61669 Ed. 2 (2016) - Identical
NF EN 61669:2016 - Identical
UNE EN 61669 : 2003 - Identical
NBN EN 61669 : 2016 - Identical
SN EN 61669 : 2016 - Identical
NF EN 61669 : 2016 - Identical
BS EN 61669 : 2016 - Identical
EN 61669 : 2016 - Identical
DIN EN 61669 : 2013 - Identical
DIN EN 61669 : 2013 - Identical
BS EN 61669 : 2016 - Identical
