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Chinese National Standard Category: Acoustic Measurement

English Title: O.T.N. of the Primary Standard for Audiometric Zero Level of Bone Conduction
Chinese Title: 骨导听力零级基准操作技术规范
Standard No.: JJF 1281-1990
Category No.: A59
Issued by: SAPCI
Issued on: 1999-6-4
Implemented on: 1999-6-4
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:JJG 1281-1990 O.T.N. of the Primary Standard for Audiometric Zero Level of Bone Conduction
Word Count:1000 words
Similar Standards: GB/T 19889.10-2006   GB/T 19889.1-2005   GB/T 19889.7-2005   GB/T 19889.6-2005   GB/T 6881-2023   GB/T 3785.2-2023   GB/T 42559-2023   GB/T 42553-2023   GB/T 3785.1-2023   GB/T 42473-2023   GB/T 19889.7-2022   GB/T 3222.1-2022   GB/T 41283.1-2022   GB/T 19889.2-2022   GB/T 17248.1-2022   GB/Z 38251-2019   GB/T 20441.2-2018   GB/T 3785.3-2018   GB/T 7341.5-2018   GB/T 17248.5-2018  
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