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NF Z65-020-1983 TRAITEMENT DE L-INFORMATION nLANGAGES DE PROGRAMMATINO nL S E nLangage Symbolique nd-Enseignement《信息处理编程语言L S E 符号语言教育》.pdf 158

NF Z65-020-1983 TRAITEMENT DE L-INFORMATION nLANGAGES DE PROGRAMMATINO nL S E nLangage Symbolique nd-Enseignement《信息处理编程语言L S E 符号语言教育》.pdfNF Z65-020-1983 TRAITEMENT DE L-INFORMATION nLANGAGES DE PROGRAMMATINO nL S E nLangage Symbolique nd-Enseignement《信息处理编程语言L S E 符号语言教育》.pdf

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NF Z64-903-1995 Information technology - 130 mm rewritable optical disk cartridge for information interchange 《信息技术 信息互换用130毫米可重复书写的盒式光盘》.pdf 110

NF Z64-903-1995 Information technology - 130 mm rewritable optical disk cartridge for information interchange 《信息技术 信息互换用130毫米可重复书写的盒式光盘》.pdfNF Z64-903-1995 Information technology - 130 mm rewritable optical disk cartridge for information interchange 《信息技术 信息互换用130毫米可重复书写的盒式光盘》.pdf

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NF Z64-825-1994 Information technology Data interchange on 130 mm optical disk cartridges Capaticy 1 3 gigabytes per cartridge 《信息技术 130毫米盒式光盘上的数据交换 容量 每盒光盘1 3千兆节》.pdf 112

NF Z64-825-1994 Information technology Data interchange on 130 mm optical disk cartridges Capaticy 1 3 gigabytes per cartridge 《信息技术 130毫米盒式光盘上的数据交换 容量 每盒光盘1 3千兆节》.pdfNF Z64-825-1994 Information technology Data interchange on 130 mm optical disk cartridges Capaticy 1 3 gigabytes per cartridge 《信息技术 130毫米盒式光盘上的数据交换 容量 每盒光盘1 3千兆节》.pdf

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NF Z64-817-1993 Information technology Data interchange on 90 mm flexible disk cartridges using modified frequency modulation recording at 31 831 ftprad on 80 tracks on each side I.pdf 53

NF Z64-817-1993 Information technology Data interchange on 90 mm flexible disk cartridges using modified frequency modulation recording at 31 831 ftprad on 80 tracks on each side I.pdfNF Z64-817-1993 Information technology Data interchange on 90 mm flexible disk cartridges using modified frequency modulation recording at 31 831 ftprad on 80 tracks on each side I.pdf

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NF Z64-762-1988 Information processing Data interchange on 6 30 mm (0 25 in) magnetic tape cartridge using gcr recording at 394 ftpmm (10 000 ftpi) 39 cpmm (1000 cpi) Part 2 strea.pdf 18

NF Z64-762-1988 Information processing Data interchange on 6 30 mm (0 25 in) magnetic tape cartridge using gcr recording at 394 ftpmm (10 000 ftpi) 39 cpmm (1000 cpi) Part 2 strea.pdfNF Z64-762-1988 Information processing Data interchange on 6 30 mm (0 25 in) magnetic tape cartridge using gcr recording at 394 ftpmm (10 000 ftpi) 39 cpmm (1000 cpi) Part 2 strea.pdf

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NF X43-011-1975 Air pollution Determination of gaseous sulphur compounds in ambient air sampling equipment and method 《空气污染 周围空气中燃气的硫含量的测定 取样设备和方法》.pdf 4

NF X43-011-1975 Air pollution Determination of gaseous sulphur compounds in ambient air sampling equipment and method 《空气污染 周围空气中燃气的硫含量的测定 取样设备和方法》.pdfNF X43-011-1975 Air pollution Determination of gaseous sulphur compounds in ambient air sampling equipment and method 《空气污染 周围空气中燃气的硫含量的测定 取样设备和方法》.pdf

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NF X43-010-1975 Air pollution Determination of a gazeous acid pollution index 《空气污染 燃气的酸污染指数的测定》.pdf 8

NF X43-010-1975 Air pollution Determination of a gazeous acid pollution index 《空气污染 燃气的酸污染指数的测定》.pdfNF X43-010-1975 Air pollution Determination of a gazeous acid pollution index 《空气污染 燃气的酸污染指数的测定》.pdf

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NF X43-009-1973 Nitrogen dioxyde content of the atmosphere (griess saltzman reaction) 《大气中二氧化氮含量的测定（GRIESS－SALTZMAN反应）》.pdf 6

NF X43-009-1973 Nitrogen dioxyde content of the atmosphere (griess saltzman reaction) 《大气中二氧化氮含量的测定（GRIESS－SALTZMAN反应）》.pdfNF X43-009-1973 Nitrogen dioxyde content of the atmosphere (griess saltzman reaction) 《大气中二氧化氮含量的测定（GRIESS－SALTZMAN反应）》.pdf

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NF X43-005-1995 Ambient air Determination of black smoke number 《环境空气 黑烟点数的测定》.pdf 14

NF X43-005-1995 Ambient air Determination of black smoke number 《环境空气 黑烟点数的测定》.pdfNF X43-005-1995 Ambient air Determination of black smoke number 《环境空气 黑烟点数的测定》.pdf

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NF X43-003-1966 Atmospheric pollution Method of weight determination of solid particles entrained by combustion gases 《大气污染 燃烧气带有的固体颗粒物的重量测定方法》.pdf 22

NF X43-003-1966 Atmospheric pollution Method of weight determination of solid particles entrained by combustion gases 《大气污染 燃烧气带有的固体颗粒物的重量测定方法》.pdfNF X43-003-1966 Atmospheric pollution Method of weight determination of solid particles entrained by combustion gases 《大气污染 燃烧气带有的固体颗粒物的重量测定方法》.pdf

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