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报时业务.概念、分类、术语和结构
Time service; concepts, classification, terms and structure of timers
参考页数：4P.;A4
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报时业务.子钟的概念、术语与结构
Time service; concepts, terms and structure of secondary clocks
参考页数：4P.;A4
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定时机构.第2部分:定时中心的术语和结构
Time service; concepts, terms and structure of time centres
参考页数：2P.;A4
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定时机构.第1部分:基本概念和一般概念
Time service; basic and general concepts
参考页数：2P.;A4
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土方机械.地面速度的测定
Earth-moving machinery -- Determination of ground speed
参考页数：6P;A4
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海上导航和无线电通信设备及系统.船速和船距测量仪器.性能要求，试验方法和要求的试验结果
Maritime navigation and radiocommunication equipment and systems - Marine speed and distance measuring equipment (SDME) - Performance requirements, methods of testing and required test results
参考页数：18P.;A4
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两极三相转速表传感器
3-phase double pole tacho-generators.
参考页数：6P.;A4
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飞机设备.电传动式转速表指示器
Aircraft equipment. Indicator for electrical transmission tachometer.
参考页数：2P.;A4
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电动转速表.传感器
Electrically driven tachometers. Generator.
参考页数：1P.;A4
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工业过程控制系统用传感器.检验和常规试验指南
Transmitters for use in industrail-process control systems. Guidance for inspection and routing testing.
参考页数：7P.;A4
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