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NF C52-112-2-1-2007 Three-phase oil-immersed distribution transformers 50 Hz from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 2-1 distributioolt.pdf 14

NF C52-112-2-1-2007 Three-phase oil-immersed distribution transformers 50 Hz from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 2-1 distributioolt.pdfNF C52-112-2-1-2007 Three-phase oil-immersed distribution transformers 50 Hz from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 2-1 distributioolt.pdf

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NF C52-111 A1-1974 Three-phase two-winding transformers 1 000 to 10 000 kVA nRated primary voltage 5 5 to 63 kV - Rated secondary voltage 2 to 20 kV nAdditional Requirements - Char.pdf 1

NF C52-111 A1-1974 Three-phase two-winding transformers 1 000 to 10 000 kVA nRated primary voltage 5 5 to 63 kV - Rated secondary voltage 2 to 20 kV nAdditional Requirements - Char.pdfNF C52-111 A1-1974 Three-phase two-winding transformers 1 000 to 10 000 kVA nRated primary voltage 5 5 to 63 kV - Rated secondary voltage 2 to 20 kV nAdditional Requirements - Char.pdf

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NF C42-104-1990 Direct acting indicating analogue electrical measuring instruments and their accessories Part 5 special requirements for phase meters power factor meters and synch.pdf 13

NF C42-104-1990 Direct acting indicating analogue electrical measuring instruments and their accessories Part 5 special requirements for phase meters power factor meters and synch.pdfNF C42-104-1990 Direct acting indicating analogue electrical measuring instruments and their accessories Part 5 special requirements for phase meters power factor meters and synch.pdf

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NF C42-103-1990 Direct acting indicating analogue electrical measuring instruments and their accessories Part 4 special requirements for frequency meters 《直接作用的指示用模拟电气测量仪器及其附件 第4部.pdf 12

NF C42-103-1990 Direct acting indicating analogue electrical measuring instruments and their accessories Part 4 special requirements for frequency meters 《直接作用的指示用模拟电气测量仪器及其附件 第4部.pdfNF C42-103-1990 Direct acting indicating analogue electrical measuring instruments and their accessories Part 4 special requirements for frequency meters 《直接作用的指示用模拟电气测量仪器及其附件 第4部.pdf

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NF C42-102 A1-1995 《NF EN 60051-3-1990的修改件1》.pdf 6

NF C42-102 A1-1995 《NF EN 60051-3-1990的修改件1》.pdfNF C42-102 A1-1995 《NF EN 60051-3-1990的修改件1》.pdf

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NF C42-101-1990 Direct acting indicating analogue electrical measuring instruments and their accessories Part 2 special requirements for ammeters and voltmeters 《直接作用的指示用模拟电气测量仪器及.pdf 14

NF C42-101-1990 Direct acting indicating analogue electrical measuring instruments and their accessories Part 2 special requirements for ammeters and voltmeters 《直接作用的指示用模拟电气测量仪器及.pdfNF C42-101-1990 Direct acting indicating analogue electrical measuring instruments and their accessories Part 2 special requirements for ammeters and voltmeters 《直接作用的指示用模拟电气测量仪器及.pdf

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NF C42-100-1999 Direct acting indicating analogue electrical measuring instruments and their accessories Part 1 definitions and general requirements common to all parts 《直接作用的指示用模.pdf 45

NF C42-100-1999 Direct acting indicating analogue electrical measuring instruments and their accessories Part 1 definitions and general requirements common to all parts 《直接作用的指示用模.pdfNF C42-100-1999 Direct acting indicating analogue electrical measuring instruments and their accessories Part 1 definitions and general requirements common to all parts 《直接作用的指示用模.pdf

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NF C26-145-1-1998 Specification for plastic films for electrical purposes Part 1 definitions and general requirements 《电气用塑料薄膜规范 第1部分 定义和一般要求》.pdf 8

NF C26-145-1-1998 Specification for plastic films for electrical purposes Part 1 definitions and general requirements 《电气用塑料薄膜规范 第1部分 定义和一般要求》.pdfNF C26-145-1-1998 Specification for plastic films for electrical purposes Part 1 definitions and general requirements 《电气用塑料薄膜规范 第1部分 定义和一般要求》.pdf

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NF C26-144-3-2008 Combined flexible materials for electrical insulation - Part 3 specifications for individual materials 《电绝缘用复合柔性材料 第3部分 专用材料规范》.pdf 78

NF C26-144-3-2008 Combined flexible materials for electrical insulation - Part 3 specifications for individual materials 《电绝缘用复合柔性材料 第3部分 专用材料规范》.pdfNF C26-144-3-2008 Combined flexible materials for electrical insulation - Part 3 specifications for individual materials 《电绝缘用复合柔性材料 第3部分 专用材料规范》.pdf

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NF C26-144-3-1997 Combined flexible materials for electrical insulation - Part 3 specifications for individual materials 《电绝缘用复合柔性材料 第2部分 专用材料规范》.pdf 30

NF C26-144-3-1997 Combined flexible materials for electrical insulation - Part 3 specifications for individual materials 《电绝缘用复合柔性材料 第2部分 专用材料规范》.pdfNF C26-144-3-1997 Combined flexible materials for electrical insulation - Part 3 specifications for individual materials 《电绝缘用复合柔性材料 第2部分 专用材料规范》.pdf

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