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JB T 13247-2018 《低压铸造机 能耗检测方法》.pdf 12

JB T 13247-2018 《低压铸造机 能耗检测方法》.pdfJB T 13247-2018 《低压铸造机 能耗检测方法》.pdf

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JB T 13246-2018 《冲天炉能耗评定方法》.pdf 7

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JB T 13231.1-2017 Stereolithography prototyping machines Part 1 Testing of the accuracy《立体光固化成形机床 第1部分 精度检验》.pdf 14

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I.S. 33-1962 ZINC CHROMATE PRIMING PAINTS FOR USE ON METAL SURFACES《金属表面用铬酸锌底漆》.pdf 13

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I.S. 32-1963 HARD GLOSS AND ENAMEL PAINTS《硬珐郎和瓷漆》.pdf 22

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I.S. 31-1951 Standard Specification(Concrete Land Drainage Pipes)1951 《（混凝土地面排水管）标准规范，1951》.pdf 18

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I.S. 30-1955 IRISH HAND WOVEN TWEED《爱尔兰手织斜纹软呢布》.pdf 9

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I.S. 3-1949 Standard Specification(Concrete Plain Roofing Tiles and Fittings)Order 1949 《（混凝土无筋屋面瓦和组件）标准规范，1949年颁布》.pdf 32

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HD 555 21 S2-1992 Specifications for Particular Types of Winding Wires Part 21 Solderable Polyurethane Enamelled Round Copper Wire Overcoated with Polyamide Cla.pdf 5

HD 555 21 S2-1992 Specifications for Particular Types of Winding Wires Part 21 Solderable Polyurethane Enamelled Round Copper Wire Overcoated with Polyamide Cla.pdfHD 555 21 S2-1992 Specifications for Particular Types of Winding Wires Part 21 Solderable Polyurethane Enamelled Round Copper Wire Overcoated with Polyamide Cla.pdf

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HD 555 21 S1-1990 Specifications for Particular Types of Winding Wires Part 21 Solderable Polyurethane Enamelled Round Copper Winding Wire Overcoated with Polya.pdf 3

HD 555 21 S1-1990 Specifications for Particular Types of Winding Wires Part 21 Solderable Polyurethane Enamelled Round Copper Winding Wire Overcoated with Polya.pdfHD 555 21 S1-1990 Specifications for Particular Types of Winding Wires Part 21 Solderable Polyurethane Enamelled Round Copper Winding Wire Overcoated with Polya.pdf

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