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Chinese National Standard Category: Electroacoustic device

English Title: An artificial ear of wide band type for the calibration of earphones used in audiometry
Chinese Title: 校准测耳机用的宽频带型仿真耳
Standard No.: GB 7614-1987
Category No.: L31
Issued by: SAC
Issued on: 1987-04-02
Implemented on: 1987-11-1
Status: valid
Superseded by:GB/T 25498.1-2010 Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the calibration of supra-aural earphones
Superseded on:
Abolished on:
Superseding:
Word Count:2000 words
Similar Standards: GB/T 11454-1989   GB 11455-1989   GB 11453-1989   GB/T 11452-1989   GB/T 10240-1988   GB 7614-1987   GB 6832-1986   GB 3661-1983   GB 3662-1983  
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