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测量耳塞机用阻塞耳道腔模拟器
Occluded-ear simulator for the measurement of earphones coupled to the ear by ear inserts
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测量助听器耳塞机用IEC参考耦合腔
IEC reference coupler for measurement of hearing aids earphones
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助听器 第9部分:带有骨振器输出的助听器特性测量方法
Hearing aids Part 9 Methods for measurement of characteristics of hearing aids with bone vibrator output
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助听器 第6部分:助听器输入电路的特性
Hearing aids Part 6 Characteristics of input circuits for hearing aids
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微波组件.WFZ1006型锁相介质振荡器详细规范
Microwave assembly Detail specification for model WFZ1006 phased locked dielectric resonator oscillator
参考页数:9P.;A4
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微波组件.WFB2002型低噪声放大器详细规范
Microwave assembly Detail specification for model WFB2002 low noise amplifier
参考页数:9P.;A4
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助听器交货时质量检验的性能测量
Measurement of the performance of hearing aids for quality inspection for delivery purposes
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助听器插头的尺寸
Dimensions of the plugs for hearing aids
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通信电声器件总技术条件
Generic specification for communication acoustic devices
参考页数:9P.;A4
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炭粒式送话器测试标准装置.技术要求
Technical requirements for measuring standard device of carbon transmitters
参考页数:7P.;A4
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