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TCVN 4049-1985 Soil Method for the determination of less on ignition《土壤 点火减少的测定方法》.pdf 4

TCVN 4049-1985 Soil Method for the determination of less on ignition《土壤 点火减少的测定方法》.pdfTCVN 4049-1985 Soil Method for the determination of less on ignition《土壤 点火减少的测定方法》.pdf

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TCVN 4048-2011 Soil quality Determination of humudity and absolute dryness coefficient《土质 湿度和绝对干燥系数的测定》.pdf 6

TCVN 4048-2011 Soil quality Determination of humudity and absolute dryness coefficient《土质 湿度和绝对干燥系数的测定》.pdfTCVN 4048-2011 Soil quality Determination of humudity and absolute dryness coefficient《土质 湿度和绝对干燥系数的测定》.pdf

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TCVN 4046-1985 Soil Method of sampling《土壤 取样方法》.pdf 6

TCVN 4046-1985 Soil Method of sampling《土壤 取样方法》.pdfTCVN 4046-1985 Soil Method of sampling《土壤 取样方法》.pdf

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TCVN 3184-1979 Greases parafins and ceresins Method for the determination of water soluble acid and alkalies《油脂 石蜡和地蜡 水溶性酸和碱的测定方法》.pdf 5

TCVN 3184-1979 Greases parafins and ceresins Method for the determination of water soluble acid and alkalies《油脂 石蜡和地蜡 水溶性酸和碱的测定方法》.pdfTCVN 3184-1979 Greases parafins and ceresins Method for the determination of water soluble acid and alkalies《油脂 石蜡和地蜡 水溶性酸和碱的测定方法》.pdf

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TCVN 3183-1979 Lubricating oil Qualitative method of water presence《润滑油 水存在的定性方法》.pdf 5

TCVN 3183-1979 Lubricating oil Qualitative method of water presence《润滑油 水存在的定性方法》.pdfTCVN 3183-1979 Lubricating oil Qualitative method of water presence《润滑油 水存在的定性方法》.pdf

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TCVN 3181-1979 Lubricanting oil Method for the determination thermoviscosity coefficient《润滑油 热粘度系数的测定方法》.pdf 5

TCVN 3181-1979 Lubricanting oil Method for the determination thermoviscosity coefficient《润滑油 热粘度系数的测定方法》.pdfTCVN 3181-1979 Lubricanting oil Method for the determination thermoviscosity coefficient《润滑油 热粘度系数的测定方法》.pdf

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TCVN 318-2009 Coal and coke Calculation of analyses to different bases《煤和焦炭 不同基质的分析计算》.pdf 11

TCVN 318-2009 Coal and coke Calculation of analyses to different bases《煤和焦炭 不同基质的分析计算》.pdfTCVN 318-2009 Coal and coke Calculation of analyses to different bases《煤和焦炭 不同基质的分析计算》.pdf

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TCVN 3176-1979 Black petroleum products Method for the determination of water-soluble acid and alkalic《石油重油 水溶性酸性和碱性的测定方法》.pdf 5

TCVN 3176-1979 Black petroleum products Method for the determination of water-soluble acid and alkalic《石油重油 水溶性酸性和碱性的测定方法》.pdfTCVN 3176-1979 Black petroleum products Method for the determination of water-soluble acid and alkalic《石油重油 水溶性酸性和碱性的测定方法》.pdf

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TCVN 2293-1978 Wood working General safety requirements《木材加工 一般安全要求》.pdf 10

TCVN 2293-1978 Wood working General safety requirements《木材加工 一般安全要求》.pdfTCVN 2293-1978 Wood working General safety requirements《木材加工 一般安全要求》.pdf

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TCVN 2292-1978 Painting works General safety requirements《油漆工程 一般安全要求》.pdf 10

TCVN 2292-1978 Painting works General safety requirements《油漆工程 一般安全要求》.pdfTCVN 2292-1978 Painting works General safety requirements《油漆工程 一般安全要求》.pdf

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