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SIS SS 14 22 34-1980 Steel for hardening and tempering《淬火与回火用钢》.pdf 6

SIS SS 14 22 34-1980 Steel for hardening and tempering《淬火与回火用钢》.pdfSIS SS 14 22 34-1980 Steel for hardening and tempering《淬火与回火用钢》.pdf

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SIS SS 14 22 33-1982 Steel for gas cylinders《气瓶用钢板》.pdf 2

SIS SS 14 22 33-1982 Steel for gas cylinders《气瓶用钢板》.pdfSIS SS 14 22 33-1982 Steel for gas cylinders《气瓶用钢板》.pdf

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SIS SS 11 40 55-1981 Non-destructive testing - Penetrant flaw detection - Terminology《无损检测 渗透探伤 术语》.pdf 8

SIS SS 11 40 55-1981 Non-destructive testing - Penetrant flaw detection - Terminology《无损检测 渗透探伤 术语》.pdfSIS SS 11 40 55-1981 Non-destructive testing - Penetrant flaw detection - Terminology《无损检测 渗透探伤 术语》.pdf

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SIS SS 11 40 54-1981 Non-destructive testing - Magnetic particle flaw detection - Terminology《无损检测 磁粉探伤 术语》.pdf 9

SIS SS 11 40 54-1981 Non-destructive testing - Magnetic particle flaw detection - Terminology《无损检测 磁粉探伤 术语》.pdfSIS SS 11 40 54-1981 Non-destructive testing - Magnetic particle flaw detection - Terminology《无损检测 磁粉探伤 术语》.pdf

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SIS SS 11 40 53-1982 Non-destructive testing - Electromagnetic testing - Terminology《无损检测 电磁检测 术语》.pdf 15

SIS SS 11 40 53-1982 Non-destructive testing - Electromagnetic testing - Terminology《无损检测 电磁检测 术语》.pdfSIS SS 11 40 53-1982 Non-destructive testing - Electromagnetic testing - Terminology《无损检测 电磁检测 术语》.pdf

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SIS SS 11 40 52-1980 Non-destructive testing Ultrasonic testing Terminology《无损检测，超声波测试 术语》.pdf 33

SIS SS 11 40 52-1980 Non-destructive testing Ultrasonic testing Terminology《无损检测，超声波测试 术语》.pdfSIS SS 11 40 52-1980 Non-destructive testing Ultrasonic testing Terminology《无损检测，超声波测试 术语》.pdf

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SIS SS 11 40 51-1981 Non-destructive testing Radiographic testing Terminology《无损检测 X光测试 术语》.pdf 30

SIS SS 11 40 51-1981 Non-destructive testing Radiographic testing Terminology《无损检测 X光测试 术语》.pdfSIS SS 11 40 51-1981 Non-destructive testing Radiographic testing Terminology《无损检测 X光测试 术语》.pdf

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SIS SS 02 84 21-1990 Stationary source emissions Determination of the mass concentration of sulfur dioxide Hydrogen peroxide barium perchlorateIThorin-method《空气分析 固定源排放二氧化硫质量浓度的.pdf 8

SIS SS 02 84 21-1990 Stationary source emissions Determination of the mass concentration of sulfur dioxide Hydrogen peroxide barium perchlorateIThorin-method《空气分析 固定源排放二氧化硫质量浓度的.pdfSIS SS 02 84 21-1990 Stationary source emissions Determination of the mass concentration of sulfur dioxide Hydrogen peroxide barium perchlorateIThorin-method《空气分析 固定源排放二氧化硫质量浓度的.pdf

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SIS SS 02 84 19-1985 Ambient atmospheres Sampling of wet deposition《大气调查 环境大气 湿沉降采样》.pdf 4

SIS SS 02 84 19-1985 Ambient atmospheres Sampling of wet deposition《大气调查 环境大气 湿沉降采样》.pdfSIS SS 02 84 19-1985 Ambient atmospheres Sampling of wet deposition《大气调查 环境大气 湿沉降采样》.pdf

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SIS SS 02 84 18-1981 Workplace atmosphere Counting criteria for asbestos fibres《空气研究 工作场所 石棉纤维计数标准》.pdf 11

SIS SS 02 84 18-1981 Workplace atmosphere Counting criteria for asbestos fibres《空气研究 工作场所 石棉纤维计数标准》.pdfSIS SS 02 84 18-1981 Workplace atmosphere Counting criteria for asbestos fibres《空气研究 工作场所 石棉纤维计数标准》.pdf

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