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NEN 2432-1965 Parallel keys Holes for hold down and for lifting screws《平键 安装和拆卸螺丝用方孔》.pdf
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NEN 2431-1967 Bright key steel Dimensions toierances weights《光拔楔形钢 尺寸,允许偏差,重量》.pdf
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NEN 2427-1988 Plant pots - Dimensions《花盘 尺寸》.pdf
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5
NEN 11038-1993 Time switches for tariff and load control (IEC 1038 1990 modified)《(IEC 1038-1990,修订) 费率和负载控制用计时开关规范》.pdf
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NEN 11037-1993 Electronic ripple control receivers for tariff and load control (IEC 1037 1990 modified)《(IEC 1037-1990,修订)计费和负载控制用电子脉动控制接收装置》.pdf
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7
NEN 11036-1993 Alternating current static watt-hour meters for active energy (classes 1 and 2) (IEC 1036 1990 modified)《(IEC 1036-1990,修订) 1级和2级有效能量测量用静止式电度表》.pdf
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NEN 11034-1-1993 Insulated electric cables Measurement of smoke density when burned under defined conditions Part 1 Test apparatus(IEC 1034-1 1990)《IEC 1034-2-1990 给定条件下电缆燃烧烟浓度的测量 .pdf
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NEN 11027-1993 Instruments for the measurement of aural acoustic impedance admittance (IEC 1027 1991)《IEC 1027-1991 声学阻抗 导纳测量用仪器》.pdf
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21
NEMA TC 7-2013 Smooth-Wall Coilable Electrical Polyethylene Conduit.pdf
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28
NEMA TC 6 & 8-2013 Polyvinyl Chloride (PVC) Plastic Utilities Duct for Underground Installations.pdf
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