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Chinese National Standard Category: Electroacoustic device |
English Title: | Hearing aid equipment not entirely worn on the listener |
Chinese Title: | 不完全佩戴在听者身上的助听设备 |
Standard No.: | GB 11455-1989 |
Category No.: | L31 |
Issued by: | State Technical Supervision Bureau |
Issued on: | 1989-06-02 |
Implemented on: | 1990-4-1 |
Status: | valid |
Superseded by: | |
Superseded on: | |
Abolished on: | |
Superseding: | |
Word Count: | 1500 words |
Similar Standards: | GB 11455-1989 GB 11453-1989 GB/T 11452-1989 GB/T 10240-1988 GB 6832-1986 GB 3661-1983 GB 3662-1983 |
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