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MK-JH905 医用器械 医用用品 耳内式助听器
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饱和声压级 129dB±4dB
满档声增益 ≥38dB
总谐波失真:f=1000Hz时 ≤4%
频率范围:450Hz~3800Hz
等效噪音: ≤30dB
工作电压:1.5V
电池型号:AG3
“请仔细阅读产品说明书或者在医务人员的指导下购买和使用”
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