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NF A06-507-1957 Chemical analysis of lead and lead oxides Turbidimetric determination of tin 《铅和氧化铅的化学分析 锡的浊度分析法测定》.pdf
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NF A06-503-1957 Chemical analysis of lead and lead oxides Colorimetric determination of iron 《铅和氧化铅的化学分析 铁的比色法测定》.pdf
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NF A06-502-1958 CHEMICAL ANALYSIS OF LEAD DETERMINATION OF SILVER AND GOLD 《铅的化学分析 金和银含量测定》.pdf
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NEN-ISO IEC ISP 10607-5-1994 Information technology International Standardized Profiles AFTnn File transfer Access and Management Part 5 AFT 22 Positional File Access Service (Flat91).pdf
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NEN-ISO IEC ISP 10607-4-1994 Information technology International Standardized Profiles AFTnn File transfer Access and Management Part 4 AFT 12 Positional File Transfer Service (Fl199.pdf
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NEN-ISO IEC ISP 10607-3-1994 Information technology International Standardized Profiles AFTnn File transfer Access and Management Part 3 AFT 11 Simple File Transfer Service (unstru-3 .pdf
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NEN-ISO IEC ISP 10607-2-1994 Information technology International Standardized Profiles AFTnn File transfer Access and Management Part 2 Definition of document types constraint set991.pdf
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NEN-ISO IEC ISP 10607-1-1994 Information technology International Standardized Profiles AFTnn File transfer Access and Management Part 1 Specification of ACSE Presentation and Sess607.pdf
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NEN-EN 493-1993 Fasteners Surface discontinuities Nuts《紧固件 表面缺陷 螺母》.pdf
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NEN-EN 49-2-1992 Wood preservatives Determination of the protective effectiveness against Anobium punctatum (De Geer) by egg-laying and larval survival Part 2 Application by impreg.pdf
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