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NF C42-721-2006 Safety requirements for electrical equipment for measurement control and laboratory use - Part 2-020 particular requirements for laboratory centrifuges 《测量、控制和实验室用.pdf 32

NF C42-721-2006 Safety requirements for electrical equipment for measurement control and laboratory use - Part 2-020 particular requirements for laboratory centrifuges 《测量、控制和实验室用.pdfNF C42-721-2006 Safety requirements for electrical equipment for measurement control and laboratory use - Part 2-020 particular requirements for laboratory centrifuges 《测量、控制和实验室用.pdf

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NF C42-711-1989 Luminance meters Determination of metrological characteristics classification according to the latter calibration check of the main characteristics liable to vary w.pdf 50

NF C42-711-1989 Luminance meters Determination of metrological characteristics classification according to the latter calibration check of the main characteristics liable to vary w.pdfNF C42-711-1989 Luminance meters Determination of metrological characteristics classification according to the latter calibration check of the main characteristics liable to vary w.pdf

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NF C42-710-1988 Photometers Determination of metrological characteristics classification according to the latter calibration check of the main characteristics liable to vary with t.pdf 45

NF C42-710-1988 Photometers Determination of metrological characteristics classification according to the latter calibration check of the main characteristics liable to vary with t.pdfNF C42-710-1988 Photometers Determination of metrological characteristics classification according to the latter calibration check of the main characteristics liable to vary with t.pdf

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NF C42-632-2006 Performance characteristics and calibration methods for digital data acquisition systems and relevant software 《数字数据采集系统及相关软件的性能特征和校准方法》.pdf 51

NF C42-632-2006 Performance characteristics and calibration methods for digital data acquisition systems and relevant software 《数字数据采集系统及相关软件的性能特征和校准方法》.pdfNF C42-632-2006 Performance characteristics and calibration methods for digital data acquisition systems and relevant software 《数字数据采集系统及相关软件的性能特征和校准方法》.pdf

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NF C26-251-1980 Methods of testing insulating materials Method of test for coefficients of friction of plastic film and sheeting for use as electrical insulation 《绝缘材料的测试方法 电绝缘材料用塑.pdf 10

NF C26-251-1980 Methods of testing insulating materials Method of test for coefficients of friction of plastic film and sheeting for use as electrical insulation 《绝缘材料的测试方法 电绝缘材料用塑.pdfNF C26-251-1980 Methods of testing insulating materials Method of test for coefficients of friction of plastic film and sheeting for use as electrical insulation 《绝缘材料的测试方法 电绝缘材料用塑.pdf

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NF C26-250-1963 Testing methods for insulating materials Punching properties《绝缘材料的试验方法 冲压性能》.pdf 6

NF C26-250-1963 Testing methods for insulating materials Punching properties《绝缘材料的试验方法 冲压性能》.pdfNF C26-250-1963 Testing methods for insulating materials Punching properties《绝缘材料的试验方法 冲压性能》.pdf

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NF C26-250 A1-1983 《NF C 26-250-1963的补充件1》.pdf 2

NF C26-250 A1-1983 《NF C 26-250-1963的补充件1》.pdfNF C26-250 A1-1983 《NF C 26-250-1963的补充件1》.pdf

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NF C26-245-1990 Test procedure for thermal indurance of insulating varnishes Electric strength method 《绝缘漆热固化试验程序 电强度法》.pdf 10

NF C26-245-1990 Test procedure for thermal indurance of insulating varnishes Electric strength method 《绝缘漆热固化试验程序 电强度法》.pdfNF C26-245-1990 Test procedure for thermal indurance of insulating varnishes Electric strength method 《绝缘漆热固化试验程序 电强度法》.pdf

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NF C26-240-1993 Recommanded test methods for determining the relative resistance of insulating materials to breakdown by surface discharges 《用表面放电法测定绝缘材料相对的耐击穿性推荐试验方法》.pdf 18

NF C26-240-1993 Recommanded test methods for determining the relative resistance of insulating materials to breakdown by surface discharges 《用表面放电法测定绝缘材料相对的耐击穿性推荐试验方法》.pdfNF C26-240-1993 Recommanded test methods for determining the relative resistance of insulating materials to breakdown by surface discharges 《用表面放电法测定绝缘材料相对的耐击穿性推荐试验方法》.pdf

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NF C03-170-1997 Classification and designation of documents for plants systems and equipment 《工厂、系统和设备文件的分类和命名》.pdf 57

NF C03-170-1997 Classification and designation of documents for plants systems and equipment 《工厂、系统和设备文件的分类和命名》.pdfNF C03-170-1997 Classification and designation of documents for plants systems and equipment 《工厂、系统和设备文件的分类和命名》.pdf

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