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IEEE N42 53-2013 en Performance Criteria for Backpack-Based Radiation-Detection Systems Used for Homeland Security《国土安全用基于背包的辐射探测系统性能标准的美国国家标准》.pdf 62

IEEE N42 53-2013 en Performance Criteria for Backpack-Based Radiation-Detection Systems Used for Homeland Security《国土安全用基于背包的辐射探测系统性能标准的美国国家标准》.pdfIEEE N42 53-2013 en Performance Criteria for Backpack-Based Radiation-Detection Systems Used for Homeland Security《国土安全用基于背包的辐射探测系统性能标准的美国国家标准》.pdf

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IEEE N42 48-2008 en Performance Requirements for Spectroscopic Personal Radiation Detectors (SPRDs) for Homeland Security《国家安全用光谱个人辐射检测器(SPRDs)用性能要求的美国国家标准》.pdf 47

IEEE N42 48-2008 en Performance Requirements for Spectroscopic Personal Radiation Detectors (SPRDs) for Homeland Security《国家安全用光谱个人辐射检测器(SPRDs)用性能要求的美国国家标准》.pdfIEEE N42 48-2008 en Performance Requirements for Spectroscopic Personal Radiation Detectors (SPRDs) for Homeland Security《国家安全用光谱个人辐射检测器(SPRDs)用性能要求的美国国家标准》.pdf

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IEEE N42 47-2010 en American National Standard for Measuring the Imaging Performance of X-ray and Gamma-ray Systems for Security Screening of Humans《X射线和伽马射线人身保.pdf 59

IEEE N42 47-2010 en American National Standard for Measuring the Imaging Performance of X-ray and Gamma-ray Systems for Security Screening of Humans《X射线和伽马射线人身保.pdfIEEE N42 47-2010 en American National Standard for Measuring the Imaging Performance of X-ray and Gamma-ray Systems for Security Screening of Humans《X射线和伽马射线人身保.pdf

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IEEE N42 46-2008 en American National Standard for Determination of the Imaging Performance of X-Ray and Gamma-Ray Systems for Cargo and Vehicle Security Screen.pdf 37

IEEE N42 46-2008 en American National Standard for Determination of the Imaging Performance of X-Ray and Gamma-Ray Systems for Cargo and Vehicle Security Screen.pdfIEEE N42 46-2008 en American National Standard for Determination of the Imaging Performance of X-Ray and Gamma-Ray Systems for Cargo and Vehicle Security Screen.pdf

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IEEE N42 45-2011 en American National Standard for Evaluating the Image Quality of X-ray Computed Tomography (CT) Security-Screening Systems《X射线计算机断层扫描(CT)安全屏蔽系.pdf 57

IEEE N42 45-2011 en American National Standard for Evaluating the Image Quality of X-ray Computed Tomography (CT) Security-Screening Systems《X射线计算机断层扫描(CT)安全屏蔽系.pdfIEEE N42 45-2011 en American National Standard for Evaluating the Image Quality of X-ray Computed Tomography (CT) Security-Screening Systems《X射线计算机断层扫描(CT)安全屏蔽系.pdf

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IEEE C37 22-1997 en Preferred Ratings and Related Required Capabilities for Indoor AC Medium-Voltage Switches Used in Metal-Enclosed Switchgear (Replaces NEMA C.pdf 11

IEEE C37 22-1997 en Preferred Ratings and Related Required Capabilities for Indoor AC Medium-Voltage Switches Used in Metal-Enclosed Switchgear (Replaces NEMA C.pdfIEEE C37 22-1997 en Preferred Ratings and Related Required Capabilities for Indoor AC Medium-Voltage Switches Used in Metal-Enclosed Switchgear (Replaces NEMA C.pdf

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IEEE C37 21-2017 en Control Switchboards.pdf 34

IEEE C37 21-2017 en Control Switchboards.pdfIEEE C37 21-2017 en Control Switchboards.pdf

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IEEE C37 21-2005 en Control Switchboards《控制配电盘》.pdf 34

IEEE C37 21-2005 en Control Switchboards《控制配电盘》.pdfIEEE C37 21-2005 en Control Switchboards《控制配电盘》.pdf

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IEEE C37 20 7-2007 en Guide for Testing Metal-Enclosed Switchgear Rated Up to 38 kV for Internal Arcing Faults《内部电弧故障用压力等级小于38kV的金属外壳开关装置的测试用指南》.pdf 47

IEEE C37 20 7-2007 en Guide for Testing Metal-Enclosed Switchgear Rated Up to 38 kV for Internal Arcing Faults《内部电弧故障用压力等级小于38kV的金属外壳开关装置的测试用指南》.pdfIEEE C37 20 7-2007 en Guide for Testing Metal-Enclosed Switchgear Rated Up to 38 kV for Internal Arcing Faults《内部电弧故障用压力等级小于38kV的金属外壳开关装置的测试用指南》.pdf

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IEEE C37 20 7 INT 1-2009 en Guide for Testing Metal-Enclosed Switchgear Rated Up to 38 kV for Internal Arcing Faults《小于等于38 kV额定电压的内部电弧故障用封装金属开关设备测试指南》.pdf 3

IEEE C37 20 7 INT 1-2009 en Guide for Testing Metal-Enclosed Switchgear Rated Up to 38 kV for Internal Arcing Faults《小于等于38 kV额定电压的内部电弧故障用封装金属开关设备测试指南》.pdfIEEE C37 20 7 INT 1-2009 en Guide for Testing Metal-Enclosed Switchgear Rated Up to 38 kV for Internal Arcing Faults《小于等于38 kV额定电压的内部电弧故障用封装金属开关设备测试指南》.pdf

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