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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB 4943.22-2019 |
Information technology equipment—Safety—Part 22:Equipment to be installed outdoor 信息技术设备 安全 第22部分：室外安装设备 |
China National Standards 2:Equipment |
 English PDF |
| GB/T 7341.2-1998 |
Audiometers--Part 2:Equipment for speechaudio-metry 听力计 第2部分 语言测听设备 |
China National Standards 2:Equipment |
English PDF |
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