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NF G07-315-1984 Textiles Testing of yarn Method for determination of certain yarn characteristics by knitting 《纺织品 纱线试验 针织纱线某些特性的测定方法》.pdf 13

NF G07-315-1984 Textiles Testing of yarn Method for determination of certain yarn characteristics by knitting 《纺织品 纱线试验 针织纱线某些特性的测定方法》.pdfNF G07-315-1984 Textiles Testing of yarn Method for determination of certain yarn characteristics by knitting 《纺织品 纱线试验 针织纱线某些特性的测定方法》.pdf

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NF G07-314-1983 Textiles Testing of yarns Determination of the twisting of yarns 《纺织品 纱线试验 纱线加捻卷曲的测定》.pdf 6

NF G07-314-1983 Textiles Testing of yarns Determination of the twisting of yarns 《纺织品 纱线试验 纱线加捻卷曲的测定》.pdfNF G07-314-1983 Textiles Testing of yarns Determination of the twisting of yarns 《纺织品 纱线试验 纱线加捻卷曲的测定》.pdf

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NF G07-310-1981 Textiles Sewing thread tests Method of determination fo breaking load of snarling 《纺织 缝纫线试验 纱线扭结的断裂负荷的测定方法》.pdf 6

NF G07-310-1981 Textiles Sewing thread tests Method of determination fo breaking load of snarling 《纺织 缝纫线试验 纱线扭结的断裂负荷的测定方法》.pdfNF G07-310-1981 Textiles Sewing thread tests Method of determination fo breaking load of snarling 《纺织 缝纫线试验 纱线扭结的断裂负荷的测定方法》.pdf

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NF G07-309-1987 Textiles Fibre tests Determination of span length and uniformity index of cotton fibres 《纺织 纤维试验 棉花纤维的跨越长度和整齐度指数的测定》.pdf 7

NF G07-309-1987 Textiles Fibre tests Determination of span length and uniformity index of cotton fibres 《纺织 纤维试验 棉花纤维的跨越长度和整齐度指数的测定》.pdfNF G07-309-1987 Textiles Fibre tests Determination of span length and uniformity index of cotton fibres 《纺织 纤维试验 棉花纤维的跨越长度和整齐度指数的测定》.pdf

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NF F52-121-1990 Railway fixed equipment V 52 underground points and crossing 《铁路固定设备 地铁-V52 尖轨与辙岔》.pdf 10

NF F52-121-1990 Railway fixed equipment V 52 underground points and crossing 《铁路固定设备 地铁-V52 尖轨与辙岔》.pdfNF F52-121-1990 Railway fixed equipment V 52 underground points and crossing 《铁路固定设备 地铁-V52 尖轨与辙岔》.pdf

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NF F52-113-1990 RAILWAY FIXED EQUIPMENT UIC 60 - A74 POINTS AND CROSSING 《铁路固定装置 UiC60-A74 道岔》.pdf 12

NF F52-113-1990 RAILWAY FIXED EQUIPMENT UIC 60 - A74 POINTS AND CROSSING 《铁路固定装置 UiC60-A74 道岔》.pdfNF F52-113-1990 RAILWAY FIXED EQUIPMENT UIC 60 - A74 POINTS AND CROSSING 《铁路固定装置 UiC60-A74 道岔》.pdf

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NF F52-112-1990 RAILWAY FIXED EQUIPMENT UIC 60 - A61 POINTS AND CROSSING 《铁路固定装置 UiC60-A61 道岔》.pdf 9

NF F52-112-1990 RAILWAY FIXED EQUIPMENT UIC 60 - A61 POINTS AND CROSSING 《铁路固定装置 UiC60-A61 道岔》.pdfNF F52-112-1990 RAILWAY FIXED EQUIPMENT UIC 60 - A61 POINTS AND CROSSING 《铁路固定装置 UiC60-A61 道岔》.pdf

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NF F52-111-1990 RAILWAY FIXED EQUIPMENT U 50 POINTS AND CROSSING 《铁路固定装置 U50 道岔》.pdf 48

NF F52-111-1990 RAILWAY FIXED EQUIPMENT U 50 POINTS AND CROSSING 《铁路固定装置 U50 道岔》.pdfNF F52-111-1990 RAILWAY FIXED EQUIPMENT U 50 POINTS AND CROSSING 《铁路固定装置 U50 道岔》.pdf

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NF F52-101-1990 Railway fixed equipment Points and crossing Terminology Geometrical characteristics 《铁路固定设备 尖轨与辙岔 术语 几何特性》.pdf 36

NF F52-101-1990 Railway fixed equipment Points and crossing Terminology Geometrical characteristics 《铁路固定设备 尖轨与辙岔 术语 几何特性》.pdfNF F52-101-1990 Railway fixed equipment Points and crossing Terminology Geometrical characteristics 《铁路固定设备 尖轨与辙岔 术语 几何特性》.pdf

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NF F00-011-1973 Railway material in general Tolerances and fits used particularly for fixed parts of articulations Interference fits 《铁路通用器材 绞接固定零部件专用的公差与配合 过盈配合》.pdf 2

NF F00-011-1973 Railway material in general Tolerances and fits used particularly for fixed parts of articulations Interference fits 《铁路通用器材 绞接固定零部件专用的公差与配合 过盈配合》.pdfNF F00-011-1973 Railway material in general Tolerances and fits used particularly for fixed parts of articulations Interference fits 《铁路通用器材 绞接固定零部件专用的公差与配合 过盈配合》.pdf

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