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NF C46-301-1977 Industrial-Process Measurement and Control nIndustrial differential pressure transmitter nQualificatoin Standard《工业过程测量和控制工业差压变送器鉴定标准》.pdf 44

NF C46-301-1977 Industrial-Process Measurement and Control nIndustrial differential pressure transmitter nQualificatoin Standard《工业过程测量和控制工业差压变送器鉴定标准》.pdfNF C46-301-1977 Industrial-Process Measurement and Control nIndustrial differential pressure transmitter nQualificatoin Standard《工业过程测量和控制工业差压变送器鉴定标准》.pdf

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NF C46-253-1999 Gas analyzers Expression of performance Part 3 paramagnetic oxygen analyzers 《气体分析器 性能表示 第3部分 常磁性氧分析器》.pdf 30

NF C46-253-1999 Gas analyzers Expression of performance Part 3 paramagnetic oxygen analyzers 《气体分析器 性能表示 第3部分 常磁性氧分析器》.pdfNF C46-253-1999 Gas analyzers Expression of performance Part 3 paramagnetic oxygen analyzers 《气体分析器 性能表示 第3部分 常磁性氧分析器》.pdf

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NF C28-930-1983 Iron and steel magnetic steel sheet for transformer magnetic circuits Wasteless cutting 《变压器磁性电路用钢铁和磁钢薄板 无损耗切割》.pdf 6

NF C28-930-1983 Iron and steel magnetic steel sheet for transformer magnetic circuits Wasteless cutting 《变压器磁性电路用钢铁和磁钢薄板 无损耗切割》.pdfNF C28-930-1983 Iron and steel magnetic steel sheet for transformer magnetic circuits Wasteless cutting 《变压器磁性电路用钢铁和磁钢薄板 无损耗切割》.pdf

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NF C28-927-2006 Cold rolled electrical non-alloy or alloy steel sheet and strip delivered in the semi-processed state 《以半成品状态交付的电冷轧非合金和合金钢板材和带材》.pdf 18

NF C28-927-2006 Cold rolled electrical non-alloy or alloy steel sheet and strip delivered in the semi-processed state 《以半成品状态交付的电冷轧非合金和合金钢板材和带材》.pdfNF C28-927-2006 Cold rolled electrical non-alloy or alloy steel sheet and strip delivered in the semi-processed state 《以半成品状态交付的电冷轧非合金和合金钢板材和带材》.pdf

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NF C28-918-1998 Magnetic materials Part 4 methods of measurement of d c magnetic properties of iron and steel 《磁性材料 第4部分 钢铁直流电磁性能的测定方法》.pdf 35

NF C28-918-1998 Magnetic materials Part 4 methods of measurement of d c magnetic properties of iron and steel 《磁性材料 第4部分 钢铁直流电磁性能的测定方法》.pdfNF C28-918-1998 Magnetic materials Part 4 methods of measurement of d c magnetic properties of iron and steel 《磁性材料 第4部分 钢铁直流电磁性能的测定方法》.pdf

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NF C28-913-2007 Magnetic materials - Methods of measurement of the magnetic properties of electrical sheet and strip by means of a single sheet tester 《磁性材料 用单片测试仪测定电工钢片和电工钢带磁性的方法》.pdf 23

NF C28-913-2007 Magnetic materials - Methods of measurement of the magnetic properties of electrical sheet and strip by means of a single sheet tester 《磁性材料 用单片测试仪测定电工钢片和电工钢带磁性的方法》.pdfNF C28-913-2007 Magnetic materials - Methods of measurement of the magnetic properties of electrical sheet and strip by means of a single sheet tester 《磁性材料 用单片测试仪测定电工钢片和电工钢带磁性的方法》.pdf

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NF C28-911-1997 Magnetic materials Methods of measurement of magnetic properties of magnetic steel sheet and strip at medium frequencies 《磁性材料 中频下磁性钢片和钢带的磁性测量方法》.pdf 19

NF C28-911-1997 Magnetic materials Methods of measurement of magnetic properties of magnetic steel sheet and strip at medium frequencies 《磁性材料 中频下磁性钢片和钢带的磁性测量方法》.pdfNF C28-911-1997 Magnetic materials Methods of measurement of magnetic properties of magnetic steel sheet and strip at medium frequencies 《磁性材料 中频下磁性钢片和钢带的磁性测量方法》.pdf

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NF C18-430-2005 Live working - Insulating hoses with fittings for use with hydraulic tools and equipment 《带电作业 液压工具和设备用带配件的绝缘软管》.pdf 33

NF C18-430-2005 Live working - Insulating hoses with fittings for use with hydraulic tools and equipment 《带电作业 液压工具和设备用带配件的绝缘软管》.pdfNF C18-430-2005 Live working - Insulating hoses with fittings for use with hydraulic tools and equipment 《带电作业 液压工具和设备用带配件的绝缘软管》.pdf

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NF C18-426-1996 Rigid protective covers for live working on A C Installations 《交流电设备上带电作业用硬质保护罩》.pdf 47

NF C18-426-1996 Rigid protective covers for live working on A C Installations 《交流电设备上带电作业用硬质保护罩》.pdfNF C18-426-1996 Rigid protective covers for live working on A C Installations 《交流电设备上带电作业用硬质保护罩》.pdf

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NF C18-418-2008 Live working - Conformity assessment applicable to tools devices and equipment 《带电作业 工具、装置和设备的合格评估》.pdf 20

NF C18-418-2008 Live working - Conformity assessment applicable to tools devices and equipment 《带电作业 工具、装置和设备的合格评估》.pdfNF C18-418-2008 Live working - Conformity assessment applicable to tools devices and equipment 《带电作业 工具、装置和设备的合格评估》.pdf

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