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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 31422-2015 |
Personal protective equipment—General technical requirements for hearing protectors 个体防护装备 护听器的通用技术条件 |
China National Standards requirements hearing |
 English PDF |
| GB 26485-2011 |
Equipment for uncoiling, levelling and shearing line - Safety requirements 开卷矫平剪切生产线 安全要求 |
China National Standards requirements hearing |
English PDF |
| GB/T 26257-2010 |
The requirements of hearing aids compatibility and measurement methods for telephone handset 手柄电话助听器耦合技术要求和测量方法 |
China National Standards requirements hearing |
English PDF |
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