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NF Z63-220-1978 Implementation of the numeric sub-set ocr-A with 9X9 matrix printers 《用9x9点阵式印刷机执行OCR－A字符数字子集》.pdf 4

NF Z63-220-1978 Implementation of the numeric sub-set ocr-A with 9X9 matrix printers 《用9x9点阵式印刷机执行OCR－A字符数字子集》.pdfNF Z63-220-1978 Implementation of the numeric sub-set ocr-A with 9X9 matrix printers 《用9x9点阵式印刷机执行OCR－A字符数字子集》.pdf

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NF Z63-011-1974 Alphanumeric character sets for optical recognition ocr-A and ocr-B 《光学识别OCR-A和OCR-B用字母数字排列字符集》.pdf 19

NF Z63-011-1974 Alphanumeric character sets for optical recognition ocr-A and ocr-B 《光学识别OCR-A和OCR-B用字母数字排列字符集》.pdfNF Z63-011-1974 Alphanumeric character sets for optical recognition ocr-A and ocr-B 《光学识别OCR-A和OCR-B用字母数字排列字符集》.pdf

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NF Z63-001-1964 Information processing Cmc 7 printed magnetic characters Specifications Digit symbol and letter sets 《信息处理 CMC7印制磁性字符 规范 数字、符号和字母》.pdf 33

NF Z63-001-1964 Information processing Cmc 7 printed magnetic characters Specifications Digit symbol and letter sets 《信息处理 CMC7印制磁性字符 规范 数字、符号和字母》.pdfNF Z63-001-1964 Information processing Cmc 7 printed magnetic characters Specifications Digit symbol and letter sets 《信息处理 CMC7印制磁性字符 规范 数字、符号和字母》.pdf

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NF X42-301-1998 Biotechnology Modified organisms for application in the environment Guidance for the characterization of the genetically modified organism by analysis of the genomi.pdf 16

NF X42-301-1998 Biotechnology Modified organisms for application in the environment Guidance for the characterization of the genetically modified organism by analysis of the genomi.pdfNF X42-301-1998 Biotechnology Modified organisms for application in the environment Guidance for the characterization of the genetically modified organism by analysis of the genomi.pdf

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NF X42-300-1990 Biotechnolgy Biological treatment of waste water Sewage treatment plant code of practice Prevention from biological risks to personnel and the environment 《生物工程 废水的.pdf 15

NF X42-300-1990 Biotechnolgy Biological treatment of waste water Sewage treatment plant code of practice Prevention from biological risks to personnel and the environment 《生物工程 废水的.pdfNF X42-300-1990 Biotechnolgy Biological treatment of waste water Sewage treatment plant code of practice Prevention from biological risks to personnel and the environment 《生物工程 废水的.pdf

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NF X42-206-1998 Laboratories for research development and analysis Containment levels of microbiology laboratories areas of risk localities and physical safety requirements 《研究、开发和.pdf 23

NF X42-206-1998 Laboratories for research development and analysis Containment levels of microbiology laboratories areas of risk localities and physical safety requirements 《研究、开发和.pdfNF X42-206-1998 Laboratories for research development and analysis Containment levels of microbiology laboratories areas of risk localities and physical safety requirements 《研究、开发和.pdf

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NF X42-141-1999 Biotechnology Performance criteria for cell disrupters 《生物技术 细胞破碎机的性能标准(EN 12885)》.pdf 14

NF X42-141-1999 Biotechnology Performance criteria for cell disrupters 《生物技术 细胞破碎机的性能标准(EN 12885)》.pdfNF X42-141-1999 Biotechnology Performance criteria for cell disrupters 《生物技术 细胞破碎机的性能标准(EN 12885)》.pdf

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NF X42-140-1999 Biotechnology Performance criteria for centrifuges 《生物技术 离心机的性能标准 (EN 12884)》.pdf 15

NF X42-140-1999 Biotechnology Performance criteria for centrifuges 《生物技术 离心机的性能标准 (EN 12884)》.pdfNF X42-140-1999 Biotechnology Performance criteria for centrifuges 《生物技术 离心机的性能标准 (EN 12884)》.pdf

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NF X06-058-1987 Application of statistical Estimation of the difference of two means (unknown but equal variances) 《统计学应用 2组平均值的差的计算（已知方差）》.pdf 4

NF X06-058-1987 Application of statistical Estimation of the difference of two means (unknown but equal variances) 《统计学应用 2组平均值的差的计算（已知方差）》.pdfNF X06-058-1987 Application of statistical Estimation of the difference of two means (unknown but equal variances) 《统计学应用 2组平均值的差的计算（已知方差）》.pdf

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NF X06-057-1987 Application of statistical Comparaison of a mean with a given value (unknown variance) 《统计学应用 给定值与平均值的比较（未知方差）》.pdf 5

NF X06-057-1987 Application of statistical Comparaison of a mean with a given value (unknown variance) 《统计学应用 给定值与平均值的比较（未知方差）》.pdfNF X06-057-1987 Application of statistical Comparaison of a mean with a given value (unknown variance) 《统计学应用 给定值与平均值的比较（未知方差）》.pdf

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