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NF X43-273-1991 Air quality Workplace air Determination of methylbromide Sampling by pumping trough activated charcoal 《空气质量 工作场所空气 甲基溴的测定 经活性炭处理的泵抽吸取样》.pdf 15

NF X43-273-1991 Air quality Workplace air Determination of methylbromide Sampling by pumping trough activated charcoal 《空气质量 工作场所空气 甲基溴的测定 经活性炭处理的泵抽吸取样》.pdfNF X43-273-1991 Air quality Workplace air Determination of methylbromide Sampling by pumping trough activated charcoal 《空气质量 工作场所空气 甲基溴的测定 经活性炭处理的泵抽吸取样》.pdf

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NF X43-261-1988 Air quality Workplace atmospheres Sampling in a fixed location and measurement of total particle pollution 《空气质量 工作场所空气 定位采样和微粒总污染度的测量》.pdf 9

NF X43-261-1988 Air quality Workplace atmospheres Sampling in a fixed location and measurement of total particle pollution 《空气质量 工作场所空气 定位采样和微粒总污染度的测量》.pdfNF X43-261-1988 Air quality Workplace atmospheres Sampling in a fixed location and measurement of total particle pollution 《空气质量 工作场所空气 定位采样和微粒总污染度的测量》.pdf

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NF X43-259-1990 Air quality Workplace air Personal or stationary sampling of the alveolar fraction of particulate pollution Separation method using a 10 mm cyclone 《空气质量 工作场所空气 粒子污.pdf 15

NF X43-259-1990 Air quality Workplace air Personal or stationary sampling of the alveolar fraction of particulate pollution Separation method using a 10 mm cyclone 《空气质量 工作场所空气 粒子污.pdfNF X43-259-1990 Air quality Workplace air Personal or stationary sampling of the alveolar fraction of particulate pollution Separation method using a 10 mm cyclone 《空气质量 工作场所空气 粒子污.pdf

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NF X10-025-1991 THERMAL INSULATION DETERMINATION OF STEADY-STATE THERMAL RESISTANCE AND THERMAL CONDUCTIVITY HEAT-FLOWMETER METHOD 《绝热 热变电阻和在稳定状态下导热性的测定 流量测量方法》.pdf 13

NF X10-025-1991 THERMAL INSULATION DETERMINATION OF STEADY-STATE THERMAL RESISTANCE AND THERMAL CONDUCTIVITY HEAT-FLOWMETER METHOD 《绝热 热变电阻和在稳定状态下导热性的测定 流量测量方法》.pdfNF X10-025-1991 THERMAL INSULATION DETERMINATION OF STEADY-STATE THERMAL RESISTANCE AND THERMAL CONDUCTIVITY HEAT-FLOWMETER METHOD 《绝热 热变电阻和在稳定状态下导热性的测定 流量测量方法》.pdf

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NF X10-023-1999 Thermal performance of buildings Qualitative detection of thermal irregularities in building envelopes Infrared method 《建筑物的热性能 建筑物表层热度不均匀性的定性检测 红外线法》.pdf 19

NF X10-023-1999 Thermal performance of buildings Qualitative detection of thermal irregularities in building envelopes Infrared method 《建筑物的热性能 建筑物表层热度不均匀性的定性检测 红外线法》.pdfNF X10-023-1999 Thermal performance of buildings Qualitative detection of thermal irregularities in building envelopes Infrared method 《建筑物的热性能 建筑物表层热度不均匀性的定性检测 红外线法》.pdf

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NF X10-022-1983 Determination in laboratory of thermal transmission coefficients of constitutive partition wall by method of hot guarded box 《通过保温箱法进行本构隔墙热传导系数的实验室测定》.pdf 19

NF X10-022-1983 Determination in laboratory of thermal transmission coefficients of constitutive partition wall by method of hot guarded box 《通过保温箱法进行本构隔墙热传导系数的实验室测定》.pdfNF X10-022-1983 Determination in laboratory of thermal transmission coefficients of constitutive partition wall by method of hot guarded box 《通过保温箱法进行本构隔墙热传导系数的实验室测定》.pdf

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NF X10-021-1972 Slightly conductive materials Determination of thermal conductivity Method using guarded hot plate with symmetrical samples 《弱导热材料 导热率的测定 用带对称样品的保温热板法》.pdf 17

NF X10-021-1972 Slightly conductive materials Determination of thermal conductivity Method using guarded hot plate with symmetrical samples 《弱导热材料 导热率的测定 用带对称样品的保温热板法》.pdfNF X10-021-1972 Slightly conductive materials Determination of thermal conductivity Method using guarded hot plate with symmetrical samples 《弱导热材料 导热率的测定 用带对称样品的保温热板法》.pdf

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NF X10-011-1958 Strength of materials and mechanical tests of materials Vocabulary 《材料的强度和机械性能试验 词汇》.pdf 34

NF X10-011-1958 Strength of materials and mechanical tests of materials Vocabulary 《材料的强度和机械性能试验 词汇》.pdfNF X10-011-1958 Strength of materials and mechanical tests of materials Vocabulary 《材料的强度和机械性能试验 词汇》.pdf

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NF V05-126-1982 Fruits vegetables and derived products Determination of the iron content by means of atomic absorption photometry 《水果 蔬菜及其制品 用火焰原子吸收光度法测定铁含量》.pdf 4

NF V05-126-1982 Fruits vegetables and derived products Determination of the iron content by means of atomic absorption photometry 《水果 蔬菜及其制品 用火焰原子吸收光度法测定铁含量》.pdfNF V05-126-1982 Fruits vegetables and derived products Determination of the iron content by means of atomic absorption photometry 《水果 蔬菜及其制品 用火焰原子吸收光度法测定铁含量》.pdf

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NF V05-125-1982 Fruits vegetables and derived products Determination of the lead content by means of flameless atomic absorption photometry 《水果 蔬菜及其制品 无火焰原子吸收光度法测定铅含量(比对法)》.pdf 5

NF V05-125-1982 Fruits vegetables and derived products Determination of the lead content by means of flameless atomic absorption photometry 《水果 蔬菜及其制品 无火焰原子吸收光度法测定铅含量(比对法)》.pdfNF V05-125-1982 Fruits vegetables and derived products Determination of the lead content by means of flameless atomic absorption photometry 《水果 蔬菜及其制品 无火焰原子吸收光度法测定铅含量(比对法)》.pdf

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