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NF C01-702-1991 Electrotechnical vocabulary Chapter 702 oscillations signals and related devices 《电工词汇 第702章 振荡、信号和相关装置》.pdf 91

NF C01-702-1991 Electrotechnical vocabulary Chapter 702 oscillations signals and related devices 《电工词汇 第702章 振荡、信号和相关装置》.pdfNF C01-702-1991 Electrotechnical vocabulary Chapter 702 oscillations signals and related devices 《电工词汇 第702章 振荡、信号和相关装置》.pdf

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NF B38-203-1996 Textile glass Woven fabric Determination of tensile breaking force and elongation at break by the strip method 《纺织玻璃纤维 机织织物 用条法测定断裂张力和断裂伸长率》.pdf 10

NF B38-203-1996 Textile glass Woven fabric Determination of tensile breaking force and elongation at break by the strip method 《纺织玻璃纤维 机织织物 用条法测定断裂张力和断裂伸长率》.pdfNF B38-203-1996 Textile glass Woven fabric Determination of tensile breaking force and elongation at break by the strip method 《纺织玻璃纤维 机织织物 用条法测定断裂张力和断裂伸长率》.pdf

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NF B38-202-1980 Glass fibres threads and cloths Determination of the slip resistance of threads used in a glass cloth 《玻璃纤维、玻璃纱和玻璃布 玻璃布用玻璃纱防滑性的测定》.pdf 6

NF B38-202-1980 Glass fibres threads and cloths Determination of the slip resistance of threads used in a glass cloth 《玻璃纤维、玻璃纱和玻璃布 玻璃布用玻璃纱防滑性的测定》.pdfNF B38-202-1980 Glass fibres threads and cloths Determination of the slip resistance of threads used in a glass cloth 《玻璃纤维、玻璃纱和玻璃布 玻璃布用玻璃纱防滑性的测定》.pdf

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NF B38-151-1986 Textile glass Rovings Basis for a specification 《纺织玻璃纤维 粗纱 规范基础》.pdf 5

NF B38-151-1986 Textile glass Rovings Basis for a specification 《纺织玻璃纤维 粗纱 规范基础》.pdfNF B38-151-1986 Textile glass Rovings Basis for a specification 《纺织玻璃纤维 粗纱 规范基础》.pdf

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NF B38-116-3-1999 Textile glass Yarns Part 3 general requirements for general applications 《纺织玻璃纤维 纱线 第3部分 一般用途的总要求》.pdf 11

NF B38-116-3-1999 Textile glass Yarns Part 3 general requirements for general applications 《纺织玻璃纤维 纱线 第3部分 一般用途的总要求》.pdfNF B38-116-3-1999 Textile glass Yarns Part 3 general requirements for general applications 《纺织玻璃纤维 纱线 第3部分 一般用途的总要求》.pdf

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NF B38-116-2-1999 Textile glass Yarns Part 2 methods of test and general specifications 《纺织玻璃纤维 纱线 第2部分 试验方法和总规范》.pdf 13

NF B38-116-2-1999 Textile glass Yarns Part 2 methods of test and general specifications 《纺织玻璃纤维 纱线 第2部分 试验方法和总规范》.pdfNF B38-116-2-1999 Textile glass Yarns Part 2 methods of test and general specifications 《纺织玻璃纤维 纱线 第2部分 试验方法和总规范》.pdf

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NF A49-220-1990 Steel tubes Grooved seamless steel tubes for use at high temperature Dimensions Technical delivery conditions 《钢管 高温用带环槽无缝钢管 尺寸 交货技术条件》.pdf 29

NF A49-220-1990 Steel tubes Grooved seamless steel tubes for use at high temperature Dimensions Technical delivery conditions 《钢管 高温用带环槽无缝钢管 尺寸 交货技术条件》.pdfNF A49-220-1990 Steel tubes Grooved seamless steel tubes for use at high temperature Dimensions Technical delivery conditions 《钢管 高温用带环槽无缝钢管 尺寸 交货技术条件》.pdf

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NF A49-201-2-2002 Welded steel tubes for pressure purposes - Technical delivery conditions - Part 2 electric welded non-alloy and alloy steel tubes with specified elevated tempera.pdf 31

NF A49-201-2-2002 Welded steel tubes for pressure purposes - Technical delivery conditions - Part 2 electric welded non-alloy and alloy steel tubes with specified elevated tempera.pdfNF A49-201-2-2002 Welded steel tubes for pressure purposes - Technical delivery conditions - Part 2 electric welded non-alloy and alloy steel tubes with specified elevated tempera.pdf

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NF A49-192-1981 Steel tubes Welded rings internally threaded for pressure equipment 《钢管 压力容器用内螺纹非合金钢焊接套管》.pdf 4

NF A49-192-1981 Steel tubes Welded rings internally threaded for pressure equipment 《钢管 压力容器用内螺纹非合金钢焊接套管》.pdfNF A49-192-1981 Steel tubes Welded rings internally threaded for pressure equipment 《钢管 压力容器用内螺纹非合金钢焊接套管》.pdf

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NF A49-191-1975 Steel tubes Spigot or mixed connections made of steel or cast iron for capillary brazing or braze welding Dimensions Technical delivery conditions 《钢管 毛细管钎焊或硬焊用钢或铸铁.pdf 14

NF A49-191-1975 Steel tubes Spigot or mixed connections made of steel or cast iron for capillary brazing or braze welding Dimensions Technical delivery conditions 《钢管 毛细管钎焊或硬焊用钢或铸铁.pdfNF A49-191-1975 Steel tubes Spigot or mixed connections made of steel or cast iron for capillary brazing or braze welding Dimensions Technical delivery conditions 《钢管 毛细管钎焊或硬焊用钢或铸铁.pdf

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