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IEC 60489-1-1983 Methods of measurement for radio equipment used in the mobile services Part 1 General definitions and standard conditions of measurement《移动业务中用的无线电设备的测量方法 第1部分 通用定义和测量的标准条件》.pdf 124

IEC 60489-1-1983 Methods of measurement for radio equipment used in the mobile services Part 1 General definitions and standard conditions of measurement《移动业务中用的无线电设备的测量方法 第1部分 通用定义和测量的标准条件》.pdfIEC 60489-1-1983 Methods of measurement for radio equipment used in the mobile services Part 1 General definitions and standard conditions of measurement《移动业务中用的无线电设备的测量方法 第1部分 通用定义和测量的标准条件》.pdf

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IEC 60488-2-2004 Standard digital interface for programmable instrumentation - Part 2 Codes formats protocols and common commands《可编程序设备的标准数字接口.第2部分 代码、格式、协议和通用命令》.pdf 264

IEC 60488-2-2004 Standard digital interface for programmable instrumentation - Part 2 Codes formats protocols and common commands《可编程序设备的标准数字接口.第2部分 代码、格式、协议和通用命令》.pdfIEC 60488-2-2004 Standard digital interface for programmable instrumentation - Part 2 Codes formats protocols and common commands《可编程序设备的标准数字接口.第2部分 代码、格式、协议和通用命令》.pdf

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IEC 60488-1-2004 Higher performance protocol for the standard digital interface for programmable instrumentation - Part 1 General《可编程序设备的标准数字接口高效协议.第1部分 总则》.pdf 160

IEC 60488-1-2004 Higher performance protocol for the standard digital interface for programmable instrumentation - Part 1 General《可编程序设备的标准数字接口高效协议.第1部分 总则》.pdfIEC 60488-1-2004 Higher performance protocol for the standard digital interface for programmable instrumentation - Part 1 General《可编程序设备的标准数字接口高效协议.第1部分 总则》.pdf

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IEC 60263-1982 Scales and sizes for plotting frequency characteristics and polar diagrams《绘制频率特性和极坐标图用的标度和尺寸》.pdf 22

IEC 60263-1982 Scales and sizes for plotting frequency characteristics and polar diagrams《绘制频率特性和极坐标图用的标度和尺寸》.pdfIEC 60263-1982 Scales and sizes for plotting frequency characteristics and polar diagrams《绘制频率特性和极坐标图用的标度和尺寸》.pdf

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IEC 60261-1989 Sealing test for pressurized waveguide tubing and assemblies《加压波导管及其组件的密封试验》.pdf 22

IEC 60261-1989 Sealing test for pressurized waveguide tubing and assemblies《加压波导管及其组件的密封试验》.pdfIEC 60261-1989 Sealing test for pressurized waveguide tubing and assemblies《加压波导管及其组件的密封试验》.pdf

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IEC 60258-1968 Direct acting recording electrical measuring instruments and their accessories《直接作用电测量记录仪表及其附件》.pdf 118

IEC 60258-1968 Direct acting recording electrical measuring instruments and their accessories《直接作用电测量记录仪表及其附件》.pdfIEC 60258-1968 Direct acting recording electrical measuring instruments and their accessories《直接作用电测量记录仪表及其附件》.pdf

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IEC 60258 AMD 1-1976 Direct acting recording electrical measuring instruments and their accessories《直接作用电测量记录仪表及其附件 修改1》.pdf 16

IEC 60258 AMD 1-1976 Direct acting recording electrical measuring instruments and their accessories《直接作用电测量记录仪表及其附件 修改1》.pdfIEC 60258 AMD 1-1976 Direct acting recording electrical measuring instruments and their accessories《直接作用电测量记录仪表及其附件 修改1》.pdf

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IEC 60255-26-2013 Measuring relays and protection equipment - Part 26 Electromagnetic compatibility requirements《测量继电器和保护设备.第26部分 电磁兼容性要求》.pdf 96

IEC 60255-26-2013 Measuring relays and protection equipment - Part 26 Electromagnetic compatibility requirements《测量继电器和保护设备.第26部分 电磁兼容性要求》.pdfIEC 60255-26-2013 Measuring relays and protection equipment - Part 26 Electromagnetic compatibility requirements《测量继电器和保护设备.第26部分 电磁兼容性要求》.pdf

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IEC 60079-29-4-2009 Explosive atmospheres - Part 29-4 Gas detectors - Performance requirements of open path detectors for flammable gas《易爆气体环境.第29-4部分 瓦斯探测器.易燃性气体用开路式探测器的性能要求》.pdf 72

IEC 60079-29-4-2009 Explosive atmospheres - Part 29-4 Gas detectors - Performance requirements of open path detectors for flammable gas《易爆气体环境.第29-4部分 瓦斯探测器.易燃性气体用开路式探测器的性能要求》.pdfIEC 60079-29-4-2009 Explosive atmospheres - Part 29-4 Gas detectors - Performance requirements of open path detectors for flammable gas《易爆气体环境.第29-4部分 瓦斯探测器.易燃性气体用开路式探测器的性能要求》.pdf

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IEC 60079-29-3-2014 Explosive atmospheres - Part 29-3 Gas detectors - Guidance on functional safety of fixed gas detection systems《爆炸性气体环境 第29-3部分 气体探测器 固定气体探测系统的功能安全性指南》.pdf 102

IEC 60079-29-3-2014 Explosive atmospheres - Part 29-3 Gas detectors - Guidance on functional safety of fixed gas detection systems《爆炸性气体环境 第29-3部分 气体探测器 固定气体探测系统的功能安全性指南》.pdfIEC 60079-29-3-2014 Explosive atmospheres - Part 29-3 Gas detectors - Guidance on functional safety of fixed gas detection systems《爆炸性气体环境 第29-3部分 气体探测器 固定气体探测系统的功能安全性指南》.pdf

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