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SIS SS 11 41 90-1979 Radiographic testing Viewing of radiographs《射线检测 射线照片检视》.pdf 2

SIS SS 11 41 90-1979 Radiographic testing Viewing of radiographs《射线检测 射线照片检视》.pdfSIS SS 11 41 90-1979 Radiographic testing Viewing of radiographs《射线检测 射线照片检视》.pdf

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SIS SS 11 41 30-1979-1 Radiographic testing Image quality indicators (IQI)《射线检测 图像质量指标（ IQI ）》.pdf 3

SIS SS 11 41 30-1979-1 Radiographic testing Image quality indicators (IQI)《射线检测 图像质量指标（ IQI ）》.pdfSIS SS 11 41 30-1979-1 Radiographic testing Image quality indicators (IQI)《射线检测 图像质量指标（ IQI ）》.pdf

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SIS SS 11 41 30-1979 Radiographic testing Image quality indicators (IQI)《射线检测 图像质量指标（ IQI ）》.pdf 3

SIS SS 11 41 30-1979 Radiographic testing Image quality indicators (IQI)《射线检测 图像质量指标（ IQI ）》.pdfSIS SS 11 41 30-1979 Radiographic testing Image quality indicators (IQI)《射线检测 图像质量指标（ IQI ）》.pdf

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SIS SS 11 41 01-1989 Non-destructive testing Radiographic examination of welded joints《无损检测 焊接接头射线检测》.pdf 29

SIS SS 11 41 01-1989 Non-destructive testing Radiographic examination of welded joints《无损检测 焊接接头射线检测》.pdfSIS SS 11 41 01-1989 Non-destructive testing Radiographic examination of welded joints《无损检测 焊接接头射线检测》.pdf

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SIS SS 03 08 05-1981 Data representation - Character set OCR-B - Shapes and dimensions of the printed image《数据表示 字符集OCR-B 印刷版图形形状和尺寸》.pdf 35

SIS SS 03 08 05-1981 Data representation - Character set OCR-B - Shapes and dimensions of the printed image《数据表示 字符集OCR-B 印刷版图形形状和尺寸》.pdfSIS SS 03 08 05-1981 Data representation - Character set OCR-B - Shapes and dimensions of the printed image《数据表示 字符集OCR-B 印刷版图形形状和尺寸》.pdf

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SIS SS 02 84 26-1991 Air quality Stationary source emissions Determination of concentration and mass flow rate of particulate material in gas-carrying ducts Manual gravimetric m.pdf 17

SIS SS 02 84 26-1991 Air quality Stationary source emissions Determination of concentration and mass flow rate of particulate material in gas-carrying ducts Manual gravimetric m.pdfSIS SS 02 84 26-1991 Air quality Stationary source emissions Determination of concentration and mass flow rate of particulate material in gas-carrying ducts Manual gravimetric m.pdf

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SIS SS 02 84 25-1991 Air quality Stationary source emissions Determination of the mass concentration of nitrogen oxides Performance characteristics and calibration of automated .pdf 14

SIS SS 02 84 25-1991 Air quality Stationary source emissions Determination of the mass concentration of nitrogen oxides Performance characteristics and calibration of automated .pdfSIS SS 02 84 25-1991 Air quality Stationary source emissions Determination of the mass concentration of nitrogen oxides Performance characteristics and calibration of automated .pdf

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SIS SS 02 84 23-1991 Air Quality Stationary source emissions Determination of the total mass concentration ofmercury Flameless atomic absorption methods《空气质量 固定源排放 汞总质量浓度的测定 无焰原.pdf 11

SIS SS 02 84 23-1991 Air Quality Stationary source emissions Determination of the total mass concentration ofmercury Flameless atomic absorption methods《空气质量 固定源排放 汞总质量浓度的测定 无焰原.pdfSIS SS 02 84 23-1991 Air Quality Stationary source emissions Determination of the total mass concentration ofmercury Flameless atomic absorption methods《空气质量 固定源排放 汞总质量浓度的测定 无焰原.pdf

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SIS SS 02 84 22-1990 Stationary source emissions Determination of the mass concentration of hydrogen chloride Potentiometric titration 《固定源排放 氯化氢质量浓度的测定 电位滴定》.pdf 9

SIS SS 02 84 22-1990 Stationary source emissions Determination of the mass concentration of hydrogen chloride Potentiometric titration 《固定源排放 氯化氢质量浓度的测定 电位滴定》.pdfSIS SS 02 84 22-1990 Stationary source emissions Determination of the mass concentration of hydrogen chloride Potentiometric titration 《固定源排放 氯化氢质量浓度的测定 电位滴定》.pdf

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SIS SMS-419-1933 《气体和水输送用铸铁套接管 法兰三通管 主管连接号码：80-400 标称压力：10》.pdf 1

SIS SMS-419-1933 《气体和水输送用铸铁套接管 法兰三通管 主管连接号码：80-400 标称压力：10》.pdfSIS SMS-419-1933 《气体和水输送用铸铁套接管 法兰三通管 主管连接号码：80-400 标称压力：10》.pdf

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