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 |
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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 |
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