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NF X43-404-1993 Air quality - Air of domestic living accomodations and of public premises - Airbone sampling and analysis of the allergens of the internal environment《空气质量 家庭生活住所和公.pdf 6

NF X43-404-1993 Air quality - Air of domestic living accomodations and of public premises - Airbone sampling and analysis of the allergens of the internal environment《空气质量 家庭生活住所和公.pdfNF X43-404-1993 Air quality - Air of domestic living accomodations and of public premises - Airbone sampling and analysis of the allergens of the internal environment《空气质量 家庭生活住所和公.pdf

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NF X43-338-1998 Stationary source emissions Determination of the mass concentration of sulfur dioxide Ion chromatography method 《固定源辐射 二氧化硫质量浓缩的测定 离子色谱法》.pdf 24

NF X43-338-1998 Stationary source emissions Determination of the mass concentration of sulfur dioxide Ion chromatography method 《固定源辐射 二氧化硫质量浓缩的测定 离子色谱法》.pdfNF X43-338-1998 Stationary source emissions Determination of the mass concentration of sulfur dioxide Ion chromatography method 《固定源辐射 二氧化硫质量浓缩的测定 离子色谱法》.pdf

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NF X43-302-1986 Air quality Stationary source emission Determination of dust concentration by opacimetry with reflected light 《空气质量 固定源辐射 用反射光不透明计测定灰尘浓度》.pdf 6

NF X43-302-1986 Air quality Stationary source emission Determination of dust concentration by opacimetry with reflected light 《空气质量 固定源辐射 用反射光不透明计测定灰尘浓度》.pdfNF X43-302-1986 Air quality Stationary source emission Determination of dust concentration by opacimetry with reflected light 《空气质量 固定源辐射 用反射光不透明计测定灰尘浓度》.pdf

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NF X43-301-1991 Air quality Stationnary sources emissions Determination of an index for the gaseous organic content Flame ionization method 《空气质量 固定源辐射 气体有机化合物含量指数的测定 火焰电离子化法》.pdf 11

NF X43-301-1991 Air quality Stationnary sources emissions Determination of an index for the gaseous organic content Flame ionization method 《空气质量 固定源辐射 气体有机化合物含量指数的测定 火焰电离子化法》.pdfNF X43-301-1991 Air quality Stationnary sources emissions Determination of an index for the gaseous organic content Flame ionization method 《空气质量 固定源辐射 气体有机化合物含量指数的测定 火焰电离子化法》.pdf

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NF X10-132-1975 Measurement of water flow in closed conduits Tracer methods part II constant rate injection method using non-radioactive tracers 《密封管道中水流量的测定 示踪法 第2部分：使用非放射性示踪物的恒速.pdf 14

NF X10-132-1975 Measurement of water flow in closed conduits Tracer methods part II constant rate injection method using non-radioactive tracers 《密封管道中水流量的测定 示踪法 第2部分：使用非放射性示踪物的恒速.pdfNF X10-132-1975 Measurement of water flow in closed conduits Tracer methods part II constant rate injection method using non-radioactive tracers 《密封管道中水流量的测定 示踪法 第2部分：使用非放射性示踪物的恒速.pdf

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NF X10-131-1974 Measurement of water flow in closed conduits tracer methods part i general 《密封管道中水流量的测定 示踪法 第1部分：综合》.pdf 16

NF X10-131-1974 Measurement of water flow in closed conduits tracer methods part i general 《密封管道中水流量的测定 示踪法 第1部分：综合》.pdfNF X10-131-1974 Measurement of water flow in closed conduits tracer methods part i general 《密封管道中水流量的测定 示踪法 第1部分：综合》.pdf

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NF X10-121-1993 Measurement of fluid flow in closed conduits Methods of evaluating the performance of electromagnetic flow-meters for liquids 《封闭管道中流体流量的测量 液体电磁流量计的性能评价方法》.pdf 26

NF X10-121-1993 Measurement of fluid flow in closed conduits Methods of evaluating the performance of electromagnetic flow-meters for liquids 《封闭管道中流体流量的测量 液体电磁流量计的性能评价方法》.pdfNF X10-121-1993 Measurement of fluid flow in closed conduits Methods of evaluating the performance of electromagnetic flow-meters for liquids 《封闭管道中流体流量的测量 液体电磁流量计的性能评价方法》.pdf

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NF X10-120-1995 Measurement of conductive liquid flow in closed conduits Method using electromagnetic flow meters 《封闭管道中导电液体流量的测量 电磁流量计测量法》.pdf 25

NF X10-120-1995 Measurement of conductive liquid flow in closed conduits Method using electromagnetic flow meters 《封闭管道中导电液体流量的测量 电磁流量计测量法》.pdfNF X10-120-1995 Measurement of conductive liquid flow in closed conduits Method using electromagnetic flow meters 《封闭管道中导电液体流量的测量 电磁流量计测量法》.pdf

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NF X10-113-1982 Determination of flowrate of fluids in closed conduits of circular cross-section Method of velocity measurement at one point of the cross-section 《圆截面密封管道中液体流量的测定 剖.pdf 12

NF X10-113-1982 Determination of flowrate of fluids in closed conduits of circular cross-section Method of velocity measurement at one point of the cross-section 《圆截面密封管道中液体流量的测定 剖.pdfNF X10-113-1982 Determination of flowrate of fluids in closed conduits of circular cross-section Method of velocity measurement at one point of the cross-section 《圆截面密封管道中液体流量的测定 剖.pdf

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NF V05-224-1987 Instant coffee Determination of the free-flow and compacted bulk densities 《速溶咖啡 松散和压实体密度的测定》.pdf 8

NF V05-224-1987 Instant coffee Determination of the free-flow and compacted bulk densities 《速溶咖啡 松散和压实体密度的测定》.pdfNF V05-224-1987 Instant coffee Determination of the free-flow and compacted bulk densities 《速溶咖啡 松散和压实体密度的测定》.pdf

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