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Chinese National Standard Category: Sound and electronic sound equipment

English Title: Measurement of electroacoustical characteristics of hearing aids
Chinese Title: 助听器电声特性的测量方法
Standard No.: GB/T 6657-1986
Category No.: M72
Issued by: National Bureau of Standards
Issued on: 1986-07-31
Implemented on: 1987-8-1
Status: superseded
Superseded by:GB/T 25102.100-2010 Electroacoustics—Hearing aids—Part 0:Measurement of electroacoustical characteriistics
Superseded on:2011-4-1
Abolished on:2011-04-01
Superseding:
Word Count:8000 words
Similar Standards: GB/T 13948-1992   GB 6660-1986   GB/T 42758-2023   WH/T 82-2019   GB/T 25102.12-2018   GB/T 35784-2017   GB/T 25102.8-2017   GB/T 25102.6-2017   GB/T 15528-2013   GB/T 12060.7-2013   GB/T 14471-2013   GB/T 9397-2013   GB/T 12060.4-2012   GB/T 14198-2012   GB/T 6278-2012   GB/T 14197-2012   GB/T 12060.11-2012   GB/T 12060.9-2011   GB/T 28047-2011   GB/T 28048-2011  
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