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NF Z66-421-1993 Information systems interconnection - X 25 Protocol relaying - part1 General overview and subnetwork independent requirements《信息系统互连 X 25 协议转播 第1部分 综述和子网络独立要求》.pdf 17

NF Z66-421-1993 Information systems interconnection - X 25 Protocol relaying - part1 General overview and subnetwork independent requirements《信息系统互连 X 25 协议转播 第1部分 综述和子网络独立要求》.pdfNF Z66-421-1993 Information systems interconnection - X 25 Protocol relaying - part1 General overview and subnetwork independent requirements《信息系统互连 X 25 协议转播 第1部分 综述和子网络独立要求》.pdf

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NF X43-296-1995 Workplace air X-ray determination of the conventional alveolate fraction of crystalline silica Sampling by membrane filter 《工作场所空气 X射线测定结晶二氧化硅的常规蜂窝状部分 用薄膜过滤器取样》.pdf 19

NF X43-296-1995 Workplace air X-ray determination of the conventional alveolate fraction of crystalline silica Sampling by membrane filter 《工作场所空气 X射线测定结晶二氧化硅的常规蜂窝状部分 用薄膜过滤器取样》.pdfNF X43-296-1995 Workplace air X-ray determination of the conventional alveolate fraction of crystalline silica Sampling by membrane filter 《工作场所空气 X射线测定结晶二氧化硅的常规蜂窝状部分 用薄膜过滤器取样》.pdf

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NF X43-295-1995 Workplace air X-ray determination of the concentration of crystalline silica alveolate deposit Sampling by means of rotary cup device 《工作场所空气 X射线测定结晶二氧化硅蜂窝状沉积物的浓度 用.pdf 18

NF X43-295-1995 Workplace air X-ray determination of the concentration of crystalline silica alveolate deposit Sampling by means of rotary cup device 《工作场所空气 X射线测定结晶二氧化硅蜂窝状沉积物的浓度 用.pdfNF X43-295-1995 Workplace air X-ray determination of the concentration of crystalline silica alveolate deposit Sampling by means of rotary cup device 《工作场所空气 X射线测定结晶二氧化硅蜂窝状沉积物的浓度 用.pdf

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NF X43-294-1995 Workplace air Sampling and analysis of the polycyclic aromatic hydrocarbons 《工作场所空气 多环芳香碳氢化合物的取样和分析》.pdf 18

NF X43-294-1995 Workplace air Sampling and analysis of the polycyclic aromatic hydrocarbons 《工作场所空气 多环芳香碳氢化合物的取样和分析》.pdfNF X43-294-1995 Workplace air Sampling and analysis of the polycyclic aromatic hydrocarbons 《工作场所空气 多环芳香碳氢化合物的取样和分析》.pdf

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NF X43-293-1993 Workplace air Sampling and determination of diarsenic trioxide and of particulate compounds of arsenic 《工作场所空气 三氧化二砷及其砷的粒子化合物的取样和测定》.pdf 18

NF X43-293-1993 Workplace air Sampling and determination of diarsenic trioxide and of particulate compounds of arsenic 《工作场所空气 三氧化二砷及其砷的粒子化合物的取样和测定》.pdfNF X43-293-1993 Workplace air Sampling and determination of diarsenic trioxide and of particulate compounds of arsenic 《工作场所空气 三氧化二砷及其砷的粒子化合物的取样和测定》.pdf

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NF X43-279-1995 Workplace atmospheres Guidance for the assessment of exposure by inhalation to chemical agents for comparison with limit values and measurement strategy 《工作场所大气 与极限.pdf 37

NF X43-279-1995 Workplace atmospheres Guidance for the assessment of exposure by inhalation to chemical agents for comparison with limit values and measurement strategy 《工作场所大气 与极限.pdfNF X43-279-1995 Workplace atmospheres Guidance for the assessment of exposure by inhalation to chemical agents for comparison with limit values and measurement strategy 《工作场所大气 与极限.pdf

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NF X10-112-1977 Measurement of fluid flow in closed conduites velocity area method using pitot static tubes 《密封管道中液体流量的测量 用皮托静压管的速度面积法》.pdf 47

NF X10-112-1977 Measurement of fluid flow in closed conduites velocity area method using pitot static tubes 《密封管道中液体流量的测量 用皮托静压管的速度面积法》.pdfNF X10-112-1977 Measurement of fluid flow in closed conduites velocity area method using pitot static tubes 《密封管道中液体流量的测量 用皮托静压管的速度面积法》.pdf

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NF X10-108-1988 Assessment of uncertainty in the calibration and use of flow measurement devices Part 2 non-linear calibration relationships 《流量测量装置校准和使用时误差的评估 第2部分 非线性校准关系》.pdf 31

NF X10-108-1988 Assessment of uncertainty in the calibration and use of flow measurement devices Part 2 non-linear calibration relationships 《流量测量装置校准和使用时误差的评估 第2部分 非线性校准关系》.pdfNF X10-108-1988 Assessment of uncertainty in the calibration and use of flow measurement devices Part 2 non-linear calibration relationships 《流量测量装置校准和使用时误差的评估 第2部分 非线性校准关系》.pdf

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NF X10-107-1990 Assessment of uncertainty in the calibration and use of flow measurement devices Part 1 linear calibration relationships 《流量测量装置的校正和使用中的不确定度评定 第1部分 线性校正关系式》.pdf 44

NF X10-107-1990 Assessment of uncertainty in the calibration and use of flow measurement devices Part 1 linear calibration relationships 《流量测量装置的校正和使用中的不确定度评定 第1部分 线性校正关系式》.pdfNF X10-107-1990 Assessment of uncertainty in the calibration and use of flow measurement devices Part 1 linear calibration relationships 《流量测量装置的校正和使用中的不确定度评定 第1部分 线性校正关系式》.pdf

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NF X10-106-1983 Measurement of fluid flow Estimation of uncertainty of a flowrate measurement 《液体流量的测定 流量测定中误差的评估》.pdf 33

NF X10-106-1983 Measurement of fluid flow Estimation of uncertainty of a flowrate measurement 《液体流量的测定 流量测定中误差的评估》.pdfNF X10-106-1983 Measurement of fluid flow Estimation of uncertainty of a flowrate measurement 《液体流量的测定 流量测定中误差的评估》.pdf

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