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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Superseded by: | GB/T 25498.1-2010 Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the calibration of supra-aural earphones |
Superseded on: | |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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