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国际公约法规(含国/部/行标)

IEC and ISO

IEC 61097-9 (2025)(E

IEC 61097-9 (2025)(Ed2.0) Global Maritime Distress and Safety System(GMDSS) - Part 9 Shipborne Transmitters and Receivers for use in the MF and HF Bands Surtable for Telephony, Digital Se-lective Calling(DSC) and Narrow Band Direct Printing(NBDP) - Operational and Performance Requirements, Methods of Testing and Required Test Results 全球海上遇险与安全系统(GMDSS) - 第9部分适合于电话、数字选择性呼叫(DSC)和窄带直接印字电报(NBDP)的在中频(MF)和高频(HF)频段使用的船载发射和接收器 - 操作和性能要求、测试方法及所要求的测试结果

国际公约法规(含国/部/行标) / IEC and ISO

56阅读2021-11-23

Global Maritime Distress and Safety System(GMDSS) - Part 9 Shipborne Transmitters and Receivers for use in the MF and HF Bands Surtable for Telephony, Digital Selective Calling(DSC) and Narrow Band Direct Printing(NBDP) - Operational and Performance Requirements, Methods of Testing and Required Test Results

全球海上遇险与安全系统(GMDSS) - 第9部分适合于电话、数字选择性呼叫(DSC)和窄带直接印字电报(NBDP)的在中频(MF)和高频(HF)频段使用的船载发射和接收器 - 操作和性能要求、测试方法及所要求的测试结果

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