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NC 10-66-1988 Metallurgy Determination of Nickel in Steels and Castings Photometric and Gravimetric Methods《冶金术 在钢和铸造中的镍的测定 光度计和重力分析方法》.pdf 10

NC 10-66-1988 Metallurgy Determination of Nickel in Steels and Castings Photometric and Gravimetric Methods《冶金术 在钢和铸造中的镍的测定 光度计和重力分析方法》.pdfNC 10-66-1988 Metallurgy Determination of Nickel in Steels and Castings Photometric and Gravimetric Methods《冶金术 在钢和铸造中的镍的测定 光度计和重力分析方法》.pdf

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3人阅读
NC 06-44-1969 Metric precisión hexagon bolts《精密六角螺栓》.pdf 5

NC 06-44-1969 Metric precisión hexagon bolts《精密六角螺栓》.pdfNC 06-44-1969 Metric precisión hexagon bolts《精密六角螺栓》.pdf

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4人阅读
NC 06-43-1969 Metric regular hexagon bolts threaded to the head《有螺纹的正六角螺栓》.pdf 3

NC 06-43-1969 Metric regular hexagon bolts threaded to the head《有螺纹的正六角螺栓》.pdfNC 06-43-1969 Metric regular hexagon bolts threaded to the head《有螺纹的正六角螺栓》.pdf

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7人阅读
NC 06-42-1969 Metric regular hexagon bolts《公制规则六边型螺钉》.pdf 4

NC 06-42-1969 Metric regular hexagon bolts《公制规则六边型螺钉》.pdfNC 06-42-1969 Metric regular hexagon bolts《公制规则六边型螺钉》.pdf

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2人阅读
NC 06-41-1969 Selection of metric bolts screws nuts and washers《螺栓的选择 螺栓；螺帽；垫圈》.pdf 5

NC 06-41-1969 Selection of metric bolts screws nuts and washers《螺栓的选择 螺栓；螺帽；垫圈》.pdfNC 06-41-1969 Selection of metric bolts screws nuts and washers《螺栓的选择 螺栓；螺帽；垫圈》.pdf

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2人阅读
NC 06-40-1969 Mechanical properties of metric bolts screws and nuts《公制螺栓的机械特性 螺栓和螺帽》.pdf 6

NC 06-40-1969 Mechanical properties of metric bolts screws and nuts《公制螺栓的机械特性 螺栓和螺帽》.pdfNC 06-40-1969 Mechanical properties of metric bolts screws and nuts《公制螺栓的机械特性 螺栓和螺帽》.pdf

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2人阅读
NBN-ISO 9148-1992 2500 Composition cork in rolls for decoration Test methods《装饰用成卷复合软木条 试验方法》.pdf 2

NBN-ISO 9148-1992 2500 Composition cork in rolls for decoration Test methods《装饰用成卷复合软木条 试验方法》.pdfNBN-ISO 9148-1992 2500 Composition cork in rolls for decoration Test methods《装饰用成卷复合软木条 试验方法》.pdf

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19人阅读
NBN-ISO 91-2-1993 0000 Petroleum measurement tables Part 2 Tables based on a reference temperature of 20 C《石油计量表 第2部分：以20C为参比温度基础的表》.pdf 2

NBN-ISO 91-2-1993 0000 Petroleum measurement tables Part 2 Tables based on a reference temperature of 20 C《石油计量表 第2部分：以20C为参比温度基础的表》.pdfNBN-ISO 91-2-1993 0000 Petroleum measurement tables Part 2 Tables based on a reference temperature of 20 C《石油计量表 第2部分：以20C为参比温度基础的表》.pdf

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24人阅读
NBN-ISO 91-1-1993 6250 Petroleum measurement tables Part 1 Tables based on reference temperatures of 15 degree C and 60 degree F《石油计量表 第1部分：以15C和60C为参比温度基础的表》.pdf 2

NBN-ISO 91-1-1993 6250 Petroleum measurement tables Part 1 Tables based on reference temperatures of 15 degree C and 60 degree F《石油计量表 第1部分：以15C和60C为参比温度基础的表》.pdfNBN-ISO 91-1-1993 6250 Petroleum measurement tables Part 1 Tables based on reference temperatures of 15 degree C and 60 degree F《石油计量表 第1部分：以15C和60C为参比温度基础的表》.pdf

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5人阅读
NBN-ISO 9053-1992 7500 Acoustics - Materials for acoustical applications - Determination of airflow resistance《声学 声学用材料 耐气流的测定》.pdf 2

NBN-ISO 9053-1992 7500 Acoustics - Materials for acoustical applications - Determination of airflow resistance《声学 声学用材料 耐气流的测定》.pdfNBN-ISO 9053-1992 7500 Acoustics - Materials for acoustical applications - Determination of airflow resistance《声学 声学用材料 耐气流的测定》.pdf

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