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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 7584.3-2011 |
Acoustics - Hearing protectors - Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture 声学 护听器 第3部分：使用专用声学测试装置 测量耳罩式护听器的插入损失 |
China National Standards Acoustics Hearing protectors |
 English PDF |
| GB/T 7584.1-2004 |
Acoustics--Hearing protectors--Part 1:Subjective method for the measurement of sound attenuation 声学 护听器 第1部分:声衰减测量的主观方法 |
China National Standards Acoustics Hearing protectors |
English PDF |
| GB/T 7584.2-1999 |
Acoustics--Hearing protectors--Part 2:Estimation of effective A-weighted sound pressure levels when hearing protectors are worn 声学 护听器 第2部分:戴护听器时有效的A计权声压级估算 |
China National Standards Acoustics Hearing protectors |
English PDF |
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