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IEC 61621-1997 Dry solid insulating materials - Resistance test to high-voltage low current arc discharges《干燥实心绝缘材料 耐高压低电流电弧放电的试验》.pdf 40

IEC 61621-1997 Dry solid insulating materials - Resistance test to high-voltage low current arc discharges《干燥实心绝缘材料 耐高压低电流电弧放电的试验》.pdfIEC 61621-1997 Dry solid insulating materials - Resistance test to high-voltage low current arc discharges《干燥实心绝缘材料 耐高压低电流电弧放电的试验》.pdf

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IEC 61266-1994 Ultrasonics - Hand-held probe Doppler foetal heartbeat detectors - Performance requirements and methods of measurement and reporting《超声学 手持探头式多普勒胎儿心音检测仪 性能要求及测量和报告方法》.pdf 64

IEC 61266-1994 Ultrasonics - Hand-held probe Doppler foetal heartbeat detectors - Performance requirements and methods of measurement and reporting《超声学 手持探头式多普勒胎儿心音检测仪 性能要求及测量和报告方法》.pdfIEC 61266-1994 Ultrasonics - Hand-held probe Doppler foetal heartbeat detectors - Performance requirements and methods of measurement and reporting《超声学 手持探头式多普勒胎儿心音检测仪 性能要求及测量和报告方法》.pdf

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IEC 61262-4-1994 Medical electrical equipment - Characteristics of electro-optical X-ray image intensifiers - Part 4 Determination of the image distortion《医用电气设备 光电X射线影像增强器特性 第4部分 影像畸变的测定》.pdf 28

IEC 61262-4-1994 Medical electrical equipment - Characteristics of electro-optical X-ray image intensifiers - Part 4 Determination of the image distortion《医用电气设备 光电X射线影像增强器特性 第4部分 影像畸变的测定》.pdfIEC 61262-4-1994 Medical electrical equipment - Characteristics of electro-optical X-ray image intensifiers - Part 4 Determination of the image distortion《医用电气设备 光电X射线影像增强器特性 第4部分 影像畸变的测定》.pdf

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IEC 61262-2-1994 Medical electrical equipment - Characteristics of electro-optical X-ray image intensifiers - Part 2 Determination of the conversion factor《医用电气设备 光电X射线影像增强器特性 第2部分 转换因子的测定》.pdf 26

IEC 61262-2-1994 Medical electrical equipment - Characteristics of electro-optical X-ray image intensifiers - Part 2 Determination of the conversion factor《医用电气设备 光电X射线影像增强器特性 第2部分 转换因子的测定》.pdfIEC 61262-2-1994 Medical electrical equipment - Characteristics of electro-optical X-ray image intensifiers - Part 2 Determination of the conversion factor《医用电气设备 光电X射线影像增强器特性 第2部分 转换因子的测定》.pdf

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IEC 61262-1-1994 Medical electrical equipment - Characteristics of electro-optical X-ray image intensifiers - Part 1 Determination of the entrance field size《医用电气设备 光电X射线影像增强器特性 第1部分 入射野测定》.pdf 26

IEC 61262-1-1994 Medical electrical equipment - Characteristics of electro-optical X-ray image intensifiers - Part 1 Determination of the entrance field size《医用电气设备 光电X射线影像增强器特性 第1部分 入射野测定》.pdfIEC 61262-1-1994 Medical electrical equipment - Characteristics of electro-optical X-ray image intensifiers - Part 1 Determination of the entrance field size《医用电气设备 光电X射线影像增强器特性 第1部分 入射野测定》.pdf

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IEC 61261-2-1-1994 Piezoelectric ceramic filters for use in electronic equipment a specification in the IEC quality assessment system for electronic components (IECQ) part 2 sectio.pdf 24

IEC 61261-2-1-1994 Piezoelectric ceramic filters for use in electronic equipment a specification in the IEC quality assessment system for electronic components (IECQ) part 2 sectio.pdfIEC 61261-2-1-1994 Piezoelectric ceramic filters for use in electronic equipment a specification in the IEC quality assessment system for electronic components (IECQ) part 2 sectio.pdf

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IEC 61156-5-2-2002 Multicore and symmetrical pair quad cables for digital communications - Part 5-2 Symmetrical pair quad cables with transmission characteristics up to 600 MHz Hor.pdf 14

IEC 61156-5-2-2002 Multicore and symmetrical pair quad cables for digital communications - Part 5-2 Symmetrical pair quad cables with transmission characteristics up to 600 MHz Hor.pdfIEC 61156-5-2-2002 Multicore and symmetrical pair quad cables for digital communications - Part 5-2 Symmetrical pair quad cables with transmission characteristics up to 600 MHz Hor.pdf

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IEC 61156-5-1-2009 Multicore and symmetrical pair quad cables for digital communications - Part 5-1 Symmetrical pair quad cables with transmission characteristics up to 1000 MHz - .pdf 14

IEC 61156-5-1-2009 Multicore and symmetrical pair quad cables for digital communications - Part 5-1 Symmetrical pair quad cables with transmission characteristics up to 1000 MHz - .pdfIEC 61156-5-1-2009 Multicore and symmetrical pair quad cables for digital communications - Part 5-1 Symmetrical pair quad cables with transmission characteristics up to 1000 MHz - .pdf

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IEC 61156-5 Edition 2.1-2012 Multicore and symmetrical pair quad cables for digital communications - Part 5 Symmetrical pair quad cables with transmission characteristics up to 100.pdf 28

IEC 61156-5 Edition 2.1-2012 Multicore and symmetrical pair quad cables for digital communications - Part 5 Symmetrical pair quad cables with transmission characteristics up to 100.pdfIEC 61156-5 Edition 2.1-2012 Multicore and symmetrical pair quad cables for digital communications - Part 5 Symmetrical pair quad cables with transmission characteristics up to 100.pdf

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IEC 61156-5 AMD 1-2012 Symmetrical pair quad cables with transmission characteristics up to 1000 MHz-horizontal floor wiring - Sectional specification《传输特性低于1000 MHz的对称对绞或星绞电缆的水平层布线.分规范》.pdf 8

IEC 61156-5 AMD 1-2012 Symmetrical pair quad cables with transmission characteristics up to 1000 MHz-horizontal floor wiring - Sectional specification《传输特性低于1000 MHz的对称对绞或星绞电缆的水平层布线.分规范》.pdfIEC 61156-5 AMD 1-2012 Symmetrical pair quad cables with transmission characteristics up to 1000 MHz-horizontal floor wiring - Sectional specification《传输特性低于1000 MHz的对称对绞或星绞电缆的水平层布线.分规范》.pdf

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