YD/T 1643-2007.Technical Specification and Testing Methods for Compatibility between Wireless Commun...
YD通讯标准
YD通讯标准
YD通讯标准
YD/T 1643-2015 无线通信设备与助听器的兼容性要求和测试方法
YD/T 1643-2015.Technical specification and testing methods for compatibility between wireless commun...