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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 33771-2017 |
Sound system equipment—Electroacoustical transducers—Measurement of suspension parts 声系统设备 电声换能器 悬置部件的测量 |
China National Standards Sound system equipment—Electroacoustical |
 English PDF |
| GB/T 33769-2017 |
Sound system equipment—Electroacoustical transducers—Measurement of large signal parameters 声系统设备 电声换能器 大信号参数的测量 |
China National Standards Sound system equipment—Electroacoustical |
English PDF |
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