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电声学. 辅助听力用音频感应回路系统. 第1部分: 系统部件性能的测量和规定方法
Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 1 : methods of measuring and specifying the performance of system components
参考页数:11P.;A4
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电声学.音响校准仪
Electroacoustics - Sound calibrators
参考页数:60P.;A4
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超声. 场特性. 与医学诊断超声场有关的热和机械指数测定的试验方法
Ultrasonics - Field characterization - Test methods for the determination of thermal and mechanical indices related to medical diagnostic ultrasonic fields
参考页数:37P.;A4
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超声. 脉冲回波扫描器. 第1部分: 空间测量系统的校准和系统点扩散函数响应的测量技术
Ultrasonics - Pulse-echo scanners - Part 1 : techniques for calibrating spatial measurement systems and measurement of system point-spread function response
参考页数:35P.;A4
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手持式超声波探头多普勒胎儿心跳探测仪.性能要求、测量和报告方法
Ultrasonics -- Hand-held probe Doppler foetal heartbeat detectors -- Performance requirements and methods of measurement and reporting
参考页数:30P;A4
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医疗电气设备.第2-37部分:超声波医疗诊断和监测设备的基本安全性和基本性能详细要求
Medical electrical equipment -- Part 2-37: Particular requirements for the basic safety and essential performance of ultrasonic medical diagnostic and monitoring equipment
参考页数:52P;A4
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电声学.航空噪声测量仪器.在飞机噪声鉴定中测量声压级装置的性能要求
Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure sound pressure levels in noise certification of aircraft
参考页数:50P.;A4
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听觉回路系统(HLS)实施规范. 修改件1
Code of practice for hearing-loop systems (HLS)
参考页数:7P.;A4
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听觉回路系统(HLS)实施规范
Code of practice for hearing-loop systems (HLS)
参考页数:220P.;A4
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电声学.音响校准器(IEC 60942-2017); 德文版本EN IEC 60942-2018
Electroacoustics - Sound calibrators (IEC 60942:2017); German version EN IEC 60942:2018
参考页数:62P.;A4
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