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SIS SS-ISO 1607-1-1991 Positive-displacement vacuum pumps Measurement of performance characteris- tics Part 1 Measurement of volume r te of flow (pumping speed)《容积式真空泵 性能特性测定 第1部.pdf 4

SIS SS-ISO 1607-1-1991 Positive-displacement vacuum pumps Measurement of performance characteris- tics Part 1 Measurement of volume r te of flow (pumping speed)《容积式真空泵 性能特性测定 第1部.pdfSIS SS-ISO 1607-1-1991 Positive-displacement vacuum pumps Measurement of performance characteris- tics Part 1 Measurement of volume r te of flow (pumping speed)《容积式真空泵 性能特性测定 第1部.pdf

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SIS SS-ISO 16-1985 Acoustics Standard tuning frequency (Standard musical pitch)《声学 标准调谐频率（标准音乐间距）》.pdf 2

SIS SS-ISO 16-1985 Acoustics Standard tuning frequency (Standard musical pitch)《声学 标准调谐频率（标准音乐间距）》.pdfSIS SS-ISO 16-1985 Acoustics Standard tuning frequency (Standard musical pitch)《声学 标准调谐频率（标准音乐间距）》.pdf

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SIS SS-ISO 1580-1986 Slotted pan head screws - Product grade A《开槽盘头螺钉 产品A级》.pdf 6

SIS SS-ISO 1580-1986 Slotted pan head screws - Product grade A《开槽盘头螺钉 产品A级》.pdfSIS SS-ISO 1580-1986 Slotted pan head screws - Product grade A《开槽盘头螺钉 产品A级》.pdf

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SIS SS-ISO 1539-1989 Programming languages FORTRAN《编程语言 FORTRAN语言》.pdf 1

SIS SS-ISO 1539-1989 Programming languages FORTRAN《编程语言 FORTRAN语言》.pdfSIS SS-ISO 1539-1989 Programming languages FORTRAN《编程语言 FORTRAN语言》.pdf

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SIS SS-ISO 1524-1989 Paints and varnishes Determination of fineness of grind《油漆和清漆 研磨细度测定》.pdf 10

SIS SS-ISO 1524-1989 Paints and varnishes Determination of fineness of grind《油漆和清漆 研磨细度测定》.pdfSIS SS-ISO 1524-1989 Paints and varnishes Determination of fineness of grind《油漆和清漆 研磨细度测定》.pdf

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SIS SS-EN 60 923-1991 Ballasts for discharge lamps (excludingtubularfluorescent lamps) - Performance requirements《放电灯镇流器（管式荧光灯除外）性能要求》.pdf 5

SIS SS-EN 60 923-1991 Ballasts for discharge lamps (excludingtubularfluorescent lamps) - Performance requirements《放电灯镇流器（管式荧光灯除外）性能要求》.pdfSIS SS-EN 60 923-1991 Ballasts for discharge lamps (excludingtubularfluorescent lamps) - Performance requirements《放电灯镇流器（管式荧光灯除外）性能要求》.pdf

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SIS SS-EN 60 922-1991 Ballasts for discharge lamps (excludingtubularfluorescentlamps) - General and safety requirements《放电式灯镇流器（不包括管式荧光灯）一般要求和安全要求》.pdf 35

SIS SS-EN 60 922-1991 Ballasts for discharge lamps (excludingtubularfluorescentlamps) - General and safety requirements《放电式灯镇流器（不包括管式荧光灯）一般要求和安全要求》.pdfSIS SS-EN 60 922-1991 Ballasts for discharge lamps (excludingtubularfluorescentlamps) - General and safety requirements《放电式灯镇流器（不包括管式荧光灯）一般要求和安全要求》.pdf

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SIS SS-EN 60 921-1992 Ballasts for tubular flourescent lamps - Performance requirements《管形荧光灯镇流器 性能要求》.pdf 8

SIS SS-EN 60 921-1992 Ballasts for tubular flourescent lamps - Performance requirements《管形荧光灯镇流器 性能要求》.pdfSIS SS-EN 60 921-1992 Ballasts for tubular flourescent lamps - Performance requirements《管形荧光灯镇流器 性能要求》.pdf

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SIS SS-EN 60 920-1991 Ballasts for tubular fluorescent lamps General and safety requirements《管式荧光灯镇流器 一般要求和安全要求》.pdf 56

SIS SS-EN 60 920-1991 Ballasts for tubular fluorescent lamps General and safety requirements《管式荧光灯镇流器 一般要求和安全要求》.pdfSIS SS-EN 60 920-1991 Ballasts for tubular fluorescent lamps General and safety requirements《管式荧光灯镇流器 一般要求和安全要求》.pdf

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SIS SS-EN 60 917-1992 Modul r order for the development of mechanical structures for electronic equipment practices《 电子设备机械结构模块化发展实施》.pdf 1

SIS SS-EN 60 917-1992 Modul r order for the development of mechanical structures for electronic equipment practices《 电子设备机械结构模块化发展实施》.pdfSIS SS-EN 60 917-1992 Modul r order for the development of mechanical structures for electronic equipment practices《 电子设备机械结构模块化发展实施》.pdf

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