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CNS 621-1990 Method of Test for Refractoriness Under Load of Refractory Bricks《耐火砖荷重耐火度试验法》.pdf 4

CNS 621-1990 Method of Test for Refractoriness Under Load of Refractory Bricks《耐火砖荷重耐火度试验法》.pdfCNS 621-1990 Method of Test for Refractoriness Under Load of Refractory Bricks《耐火砖荷重耐火度试验法》.pdf

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CNS 620-1998 Method for determination of true density of refractory materials《耐火材料真密度测定法》.pdf 5

CNS 620-1998 Method for determination of true density of refractory materials《耐火材料真密度测定法》.pdfCNS 620-1998 Method for determination of true density of refractory materials《耐火材料真密度测定法》.pdf

上传人：postpastor181
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CNS 619-1986 Method of Test for Apparent Porosity Water Absorption and Specific Gravity of Refractory Bricks《耐火砖视孔隙度、吸水率及比重试验法》.pdf 2

CNS 619-1986 Method of Test for Apparent Porosity Water Absorption and Specific Gravity of Refractory Bricks《耐火砖视孔隙度、吸水率及比重试验法》.pdfCNS 619-1986 Method of Test for Apparent Porosity Water Absorption and Specific Gravity of Refractory Bricks《耐火砖视孔隙度、吸水率及比重试验法》.pdf

上传人：postpastor181
8人阅读
CNS 285-1953 Method of Chemical Test for Sodium Nitrate《钠硝化学检验法》.pdf 2

CNS 285-1953 Method of Chemical Test for Sodium Nitrate《钠硝化学检验法》.pdfCNS 285-1953 Method of Chemical Test for Sodium Nitrate《钠硝化学检验法》.pdf

上传人：postpastor181
8人阅读
CNS 284-1981 General Rules for Chemical Analysis of Manganese Ores《锰矿分析法总则》.pdf 1

CNS 284-1981 General Rules for Chemical Analysis of Manganese Ores《锰矿分析法总则》.pdfCNS 284-1981 General Rules for Chemical Analysis of Manganese Ores《锰矿分析法总则》.pdf

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7人阅读
CNS 283-2001 Methods of sampling and chemical analysis of common salt《工业盐取样法及化学分析法》.pdf 46

CNS 283-2001 Methods of sampling and chemical analysis of common salt《工业盐取样法及化学分析法》.pdfCNS 283-2001 Methods of sampling and chemical analysis of common salt《工业盐取样法及化学分析法》.pdf

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10人阅读
CNS 282-1969 Method of Chemical Test for Sulfates《硫酸盐化学检验法》.pdf 2

CNS 282-1969 Method of Chemical Test for Sulfates《硫酸盐化学检验法》.pdfCNS 282-1969 Method of Chemical Test for Sulfates《硫酸盐化学检验法》.pdf

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CNS 281-1953 Method of Chemical Test for Lime Water《石灰水化学检验法》.pdf 1

CNS 281-1953 Method of Chemical Test for Lime Water《石灰水化学检验法》.pdfCNS 281-1953 Method of Chemical Test for Lime Water《石灰水化学检验法》.pdf

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5人阅读
CNS 1807-1971 Mercuric Oxide Yellow《化学试药（氧化汞，黄色）》.pdf 1

CNS 1807-1971 Mercuric Oxide Yellow《化学试药（氧化汞，黄色）》.pdfCNS 1807-1971 Mercuric Oxide Yellow《化学试药（氧化汞，黄色）》.pdf

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10人阅读
CNS 1806-1971 Mercuric Oxide Red《化学试药（氧化汞，红色）》.pdf 1

CNS 1806-1971 Mercuric Oxide Red《化学试药（氧化汞，红色）》.pdfCNS 1806-1971 Mercuric Oxide Red《化学试药（氧化汞，红色）》.pdf

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