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IEC 60343-1991 Recommended test methods for determining the relative resistance of insulating materials to breakdown by surface discharges《测定绝缘材料相对耐表面放电击穿能力的推荐试验方法》.pdf 30

IEC 60343-1991 Recommended test methods for determining the relative resistance of insulating materials to breakdown by surface discharges《测定绝缘材料相对耐表面放电击穿能力的推荐试验方法》.pdfIEC 60343-1991 Recommended test methods for determining the relative resistance of insulating materials to breakdown by surface discharges《测定绝缘材料相对耐表面放电击穿能力的推荐试验方法》.pdf

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IEC 60339-2-1996 General purpose rigid coaxial transmission lines and their associated flange connectors - Part 2 Detail specifications《一般用途的刚性同轴传输线及其相关法兰连接器 第2部分 详细规范》.pdf 66

IEC 60339-2-1996 General purpose rigid coaxial transmission lines and their associated flange connectors - Part 2 Detail specifications《一般用途的刚性同轴传输线及其相关法兰连接器 第2部分 详细规范》.pdfIEC 60339-2-1996 General purpose rigid coaxial transmission lines and their associated flange connectors - Part 2 Detail specifications《一般用途的刚性同轴传输线及其相关法兰连接器 第2部分 详细规范》.pdf

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IEC 60339-1-1971 General purpose rigid coaxial transmission lines and their associated flange connectors Part 1 General requirements and measuring methods《一般用途的刚性同轴传输线及其相关法兰连接器 第1部分 一般要求和测量方法》.pdf 28

IEC 60339-1-1971 General purpose rigid coaxial transmission lines and their associated flange connectors Part 1 General requirements and measuring methods《一般用途的刚性同轴传输线及其相关法兰连接器 第1部分 一般要求和测量方法》.pdfIEC 60339-1-1971 General purpose rigid coaxial transmission lines and their associated flange connectors Part 1 General requirements and measuring methods《一般用途的刚性同轴传输线及其相关法兰连接器 第1部分 一般要求和测量方法》.pdf

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IEC 60338-1970 Telemetering for consumption and demand《耗量和需量的遥测》.pdf 26

IEC 60338-1970 Telemetering for consumption and demand《耗量和需量的遥测》.pdfIEC 60338-1970 Telemetering for consumption and demand《耗量和需量的遥测》.pdf

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IEC 60336 CORR 1-2006 Medical electrical equipment - X-ray tube assemblies for medical diagnosis - Characteristics of focal spots Corrigendum 1《医用电气设备.医疗诊断用X射线管组件.焦点特性.勘误1》.pdf 1

IEC 60336 CORR 1-2006 Medical electrical equipment - X-ray tube assemblies for medical diagnosis - Characteristics of focal spots Corrigendum 1《医用电气设备.医疗诊断用X射线管组件.焦点特性.勘误1》.pdfIEC 60336 CORR 1-2006 Medical electrical equipment - X-ray tube assemblies for medical diagnosis - Characteristics of focal spots Corrigendum 1《医用电气设备.医疗诊断用X射线管组件.焦点特性.勘误1》.pdf

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IEC 60151-4-1963 Measurements of the electrical properties of electronic tubes Part 4 Methods of measuring noise factor《电子管电性能的测量 第4部分 噪声系数的测量方法》.pdf 18

IEC 60151-4-1963 Measurements of the electrical properties of electronic tubes Part 4 Methods of measuring noise factor《电子管电性能的测量 第4部分 噪声系数的测量方法》.pdfIEC 60151-4-1963 Measurements of the electrical properties of electronic tubes Part 4 Methods of measuring noise factor《电子管电性能的测量 第4部分 噪声系数的测量方法》.pdf

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IEC 60151-3-1963 Measurements of the electrical properties of electronic tubes Part 3 Measurement of equivalent input and output admittances《电子管电性能的测量 第3部分 等效输入和输出导纳的测量》.pdf 14

IEC 60151-3-1963 Measurements of the electrical properties of electronic tubes Part 3 Measurement of equivalent input and output admittances《电子管电性能的测量 第3部分 等效输入和输出导纳的测量》.pdfIEC 60151-3-1963 Measurements of the electrical properties of electronic tubes Part 3 Measurement of equivalent input and output admittances《电子管电性能的测量 第3部分 等效输入和输出导纳的测量》.pdf

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IEC 60151-28-1978 Measurements of the electrical properties of electronic tubes Part 28 Methods of measurement of colour television picture tubes《电子管电性能的测量 第28部分 彩色电视显像管的测量方法》.pdf 26

IEC 60151-28-1978 Measurements of the electrical properties of electronic tubes Part 28 Methods of measurement of colour television picture tubes《电子管电性能的测量 第28部分 彩色电视显像管的测量方法》.pdfIEC 60151-28-1978 Measurements of the electrical properties of electronic tubes Part 28 Methods of measurement of colour television picture tubes《电子管电性能的测量 第28部分 彩色电视显像管的测量方法》.pdf

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IEC 60151-27-1974 Measurements of the electrical properties of electronic tubes Part 27 Methods of measurement for intermodulation products in transmitting tubes《电子管电性能的测量 第27部分 发射管互调分量的测量方法》.pdf 20

IEC 60151-27-1974 Measurements of the electrical properties of electronic tubes Part 27 Methods of measurement for intermodulation products in transmitting tubes《电子管电性能的测量 第27部分 发射管互调分量的测量方法》.pdfIEC 60151-27-1974 Measurements of the electrical properties of electronic tubes Part 27 Methods of measurement for intermodulation products in transmitting tubes《电子管电性能的测量 第27部分 发射管互调分量的测量方法》.pdf

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IEC 60151-26-1971 Measurements of the electrical properties of electronic tubes Part 26 Methods of measurement for camera tubes《电子管电性能的测量 第26部分 摄像管的测量方法》.pdf 48

IEC 60151-26-1971 Measurements of the electrical properties of electronic tubes Part 26 Methods of measurement for camera tubes《电子管电性能的测量 第26部分 摄像管的测量方法》.pdfIEC 60151-26-1971 Measurements of the electrical properties of electronic tubes Part 26 Methods of measurement for camera tubes《电子管电性能的测量 第26部分 摄像管的测量方法》.pdf

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