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ISO IEC 14844-2003 Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network Inter-exchange sig.pdf 68

ISO IEC 14844-2003 Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network Inter-exchange sig.pdfISO IEC 14844-2003 Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network Inter-exchange sig.pdf

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ISO IEC 14843-2003 Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network Inter-exchange sig.pdf 46

ISO IEC 14843-2003 Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network Inter-exchange sig.pdfISO IEC 14843-2003 Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network Inter-exchange sig.pdf

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ISO IEC 14842-1996 Information technology - Telecommunications and information exchange between systems - Private integrated services network - Specification fu.pdf 77

ISO IEC 14842-1996 Information technology - Telecommunications and information exchange between systems - Private integrated services network - Specification fu.pdfISO IEC 14842-1996 Information technology - Telecommunications and information exchange between systems - Private integrated services network - Specification fu.pdf

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ISO IEC 14841-1996 Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Specification fu.pdf 42

ISO IEC 14841-1996 Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Specification fu.pdfISO IEC 14841-1996 Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Specification fu.pdf

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ISO IEC 14840-1996 Information technology - 12 65 mm wide magnetic tape cartridge for information interchange - Helical scan recording - Data-D3-1 format《信息技术 信.pdf 114

ISO IEC 14840-1996 Information technology - 12 65 mm wide magnetic tape cartridge for information interchange - Helical scan recording - Data-D3-1 format《信息技术 信.pdfISO IEC 14840-1996 Information technology - 12 65 mm wide magnetic tape cartridge for information interchange - Helical scan recording - Data-D3-1 format《信息技术 信.pdf

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ISO 9697-2015 Water quality - Gross beta activity in non-saline water - Test method using thick source《水质 无盐水中总β放射性 厚源测量法》.pdf 20

ISO 9697-2015 Water quality - Gross beta activity in non-saline water - Test method using thick source《水质 无盐水中总β放射性 厚源测量法》.pdfISO 9697-2015 Water quality - Gross beta activity in non-saline water - Test method using thick source《水质 无盐水中总β放射性 厚源测量法》.pdf

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ISO 9691-1992 Rubber recommendations for the workmanship of pipe joint rings description and classification of imperfections《橡胶 管接头的密封件制造工艺的建议 缺陷类型和描述》.pdf 16

ISO 9691-1992 Rubber recommendations for the workmanship of pipe joint rings description and classification of imperfections《橡胶 管接头的密封件制造工艺的建议 缺陷类型和描述》.pdfISO 9691-1992 Rubber recommendations for the workmanship of pipe joint rings description and classification of imperfections《橡胶 管接头的密封件制造工艺的建议 缺陷类型和描述》.pdf

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ISO 9689-1990 Raw optical glass resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50C testing and classification《光学玻璃毛坯 抗50℃碱.pdf 12

ISO 9689-1990 Raw optical glass resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50C testing and classification《光学玻璃毛坯 抗50℃碱.pdfISO 9689-1990 Raw optical glass resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50C testing and classification《光学玻璃毛坯 抗50℃碱.pdf

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ISO 9685-1991 Iron ores determination of nickel and or chronium contents flame atomic absorption spectrometric method《铁矿石 镍和 或铬含量的测定 火焰原子吸收光谱法》.pdf 16

ISO 9685-1991 Iron ores determination of nickel and or chronium contents flame atomic absorption spectrometric method《铁矿石 镍和 或铬含量的测定 火焰原子吸收光谱法》.pdfISO 9685-1991 Iron ores determination of nickel and or chronium contents flame atomic absorption spectrometric method《铁矿石 镍和 或铬含量的测定 火焰原子吸收光谱法》.pdf

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ISO 9683-1-2006 Iron ores - Determination of vanadium - Part 1 BPHA spectrophotometric method《铁矿石 钒含量的测定 第1部分 BPHA分光光度法》.pdf 18

ISO 9683-1-2006 Iron ores - Determination of vanadium - Part 1 BPHA spectrophotometric method《铁矿石 钒含量的测定 第1部分 BPHA分光光度法》.pdfISO 9683-1-2006 Iron ores - Determination of vanadium - Part 1 BPHA spectrophotometric method《铁矿石 钒含量的测定 第1部分 BPHA分光光度法》.pdf

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