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IEC 62516-1-2009 Terrestrial digital multimedia broadcasting (T-DMB) receivers - Part 1 Basic requirement《地面数字多媒体广播(T-DMB)接收器.第1部分 基本要求》.pdf 54

IEC 62516-1-2009 Terrestrial digital multimedia broadcasting (T-DMB) receivers - Part 1 Basic requirement《地面数字多媒体广播(T-DMB)接收器.第1部分 基本要求》.pdfIEC 62516-1-2009 Terrestrial digital multimedia broadcasting (T-DMB) receivers - Part 1 Basic requirement《地面数字多媒体广播(T-DMB)接收器.第1部分 基本要求》.pdf

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IEC 62127-3-2007 Ultrasonics - Hydrophones - Part 3 Properties of hydrophones for ultrasonic fields up to 40 MHz《超音波学.水听器.第3部分 超音波场小于40MHz用水听器的性能》.pdf 26

IEC 62127-3-2007 Ultrasonics - Hydrophones - Part 3 Properties of hydrophones for ultrasonic fields up to 40 MHz《超音波学.水听器.第3部分 超音波场小于40MHz用水听器的性能》.pdfIEC 62127-3-2007 Ultrasonics - Hydrophones - Part 3 Properties of hydrophones for ultrasonic fields up to 40 MHz《超音波学.水听器.第3部分 超音波场小于40MHz用水听器的性能》.pdf

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IEC 62127-2-2007 Ultrasonics - Hydrophones - Part 2 Calibration for ultrasonic fields up to 40 MHz《超音波学.水听器.第2部分 超音波场小于40MHz的校准》.pdf 88

IEC 62127-2-2007 Ultrasonics - Hydrophones - Part 2 Calibration for ultrasonic fields up to 40 MHz《超音波学.水听器.第2部分 超音波场小于40MHz的校准》.pdfIEC 62127-2-2007 Ultrasonics - Hydrophones - Part 2 Calibration for ultrasonic fields up to 40 MHz《超音波学.水听器.第2部分 超音波场小于40MHz的校准》.pdf

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IEC 62127-2 Edition 1.1-2013 Ultrasonics - Hydrophones - Part 2 Calibration for ultrasonic fields up to 40 MHz《超音波学.水听器.第2部分 超音波场小于40 MHz的校准》.pdf 214

IEC 62127-2 Edition 1.1-2013 Ultrasonics - Hydrophones - Part 2 Calibration for ultrasonic fields up to 40 MHz《超音波学.水听器.第2部分 超音波场小于40 MHz的校准》.pdfIEC 62127-2 Edition 1.1-2013 Ultrasonics - Hydrophones - Part 2 Calibration for ultrasonic fields up to 40 MHz《超音波学.水听器.第2部分 超音波场小于40 MHz的校准》.pdf

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IEC 62127-2 AMD 2-2017 Ultrasonics - Hydrophones - Part 2 Calibration for ultrasonic fields up to 40 MHz《超音波学.水听器.第2部分 超音波场小于40 MHz的校准.修改件2》.pdf 30

IEC 62127-2 AMD 2-2017 Ultrasonics - Hydrophones - Part 2 Calibration for ultrasonic fields up to 40 MHz《超音波学.水听器.第2部分 超音波场小于40 MHz的校准.修改件2》.pdfIEC 62127-2 AMD 2-2017 Ultrasonics - Hydrophones - Part 2 Calibration for ultrasonic fields up to 40 MHz《超音波学.水听器.第2部分 超音波场小于40 MHz的校准.修改件2》.pdf

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IEC 62127-1-2007 Ultrasonics - Hydrophones - Part 1 Measurement and characterization of medical ultrasonic fields up to 40 MHz《超音波学.水听器.第1部分 医用超音波场小于40MHz的测量和特性》.pdf 84

IEC 62127-1-2007 Ultrasonics - Hydrophones - Part 1 Measurement and characterization of medical ultrasonic fields up to 40 MHz《超音波学.水听器.第1部分 医用超音波场小于40MHz的测量和特性》.pdfIEC 62127-1-2007 Ultrasonics - Hydrophones - Part 1 Measurement and characterization of medical ultrasonic fields up to 40 MHz《超音波学.水听器.第1部分 医用超音波场小于40MHz的测量和特性》.pdf

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IEC 61800-9-1-2017 Adjustable speed electrical power drive systems - Part 9-1 Ecodesign for power drive systems motor starters power electronics and their driven applications - Gen.pdf 66

IEC 61800-9-1-2017 Adjustable speed electrical power drive systems - Part 9-1 Ecodesign for power drive systems motor starters power electronics and their driven applications - Gen.pdfIEC 61800-9-1-2017 Adjustable speed electrical power drive systems - Part 9-1 Ecodesign for power drive systems motor starters power electronics and their driven applications - Gen.pdf

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IEC 61800-5-2-2016 Adjustable speed electrical power drive systems - Part 5-2 Safety requirements - Functional《可调速的电动设备.第5-2部分 安全要求.功能》.pdf 180

IEC 61800-5-2-2016 Adjustable speed electrical power drive systems - Part 5-2 Safety requirements - Functional《可调速的电动设备.第5-2部分 安全要求.功能》.pdfIEC 61800-5-2-2016 Adjustable speed electrical power drive systems - Part 5-2 Safety requirements - Functional《可调速的电动设备.第5-2部分 安全要求.功能》.pdf

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IEC 61800-5-1-2007 Adjustable speed electrical power drive systems - Part 5-1 Safety requirements - Electrical thermal and energy《可调速电力传动系统.第5-1部分 安全要求.电、热和能量》.pdf 240

IEC 61800-5-1-2007 Adjustable speed electrical power drive systems - Part 5-1 Safety requirements - Electrical thermal and energy《可调速电力传动系统.第5-1部分 安全要求.电、热和能量》.pdfIEC 61800-5-1-2007 Adjustable speed electrical power drive systems - Part 5-1 Safety requirements - Electrical thermal and energy《可调速电力传动系统.第5-1部分 安全要求.电、热和能量》.pdf

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IEC 61800-3-2017 Adjustable speed electrical power drive systems - Part 3 EMC requirements and specific test methods《可调速电力驱动系统.第3部分 电磁兼容性(EMC)要求和特定试验法》.pdf 254

IEC 61800-3-2017 Adjustable speed electrical power drive systems - Part 3 EMC requirements and specific test methods《可调速电力驱动系统.第3部分 电磁兼容性(EMC)要求和特定试验法》.pdfIEC 61800-3-2017 Adjustable speed electrical power drive systems - Part 3 EMC requirements and specific test methods《可调速电力驱动系统.第3部分 电磁兼容性(EMC)要求和特定试验法》.pdf

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