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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 31843.450-2019 |
Maritime navigation and radiocommunication equipment and systems—Digital interfaces—Part 450：Multiple talkers and multiple listeners—Ethernet interconnection 海上导航和无线电通信设备及系统 数字接口 第450部分：多发话器和多受话器 以太网连接 |
China National Standards listener |
 English PDF |
| GB/T 31843.2-2019 |
Maritime navigation and radiocommunication equipment and systems—Digital interfaces—Part 2：Single talker and multiple listeners—High-speed transmission 海上导航和无线电通信设备及系统 数字接口 第2部分：单发话器和多受话器 高速传输 |
China National Standards listener |
English PDF |
| GB/T 11455-1989 |
Hearing aid equipment not entirely wornon the listener 不完全佩戴在听者身上的助听设备 |
China National Standards listener |
English PDF |
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