China National Standards

China Requirements Hearing Industry Standards English PDF List


  •  China " Requirements Hearing" Industry Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    YD/T 1643-2015 (The compatibility requirements of the wireless communications device and the hearing aid and test methods)
    无线通信设备与助听器的兼容性要求和测试方法
    China Telecommunication Standards
    Requirements Hearing

    English PDF
    YD/T 1889-2009 The Requirements of Hearing Aids Compatibility and Measurement Methods for Telephone Handset
    手柄电话助听器耦合技术要求和测量方法
    China Telecommunication Standards
    Requirements Hearing

    English PDF
    SJ/T 31034-1994 Requirements of readiness and methods of inspection and assessment for plate shearing machines
    剪板机完好要求和检查评定方法
    China Electronics Standards
    Requirements Hearing

    English PDF

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