| 1. | Dynamic electricity distribution : trunk line and switch box
动力配电：干线及开关箱。
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| 2. | Axial fan as purging and cooling in electric switch box
有适合放在配电箱内作为换气冷却用的轴流风扇。
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| 3. | Voice distress switch box
音响呼救开关盒
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| 4. | Switch box for electric sirens for a . c . voltages up to 380 v ; rating plate
交流电压最高可达380 v的电汽笛配电箱.第3部分:额
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| 5. | Switch box for electric sirens for voltages up to 380 v , technical terms of delivery
交流电压最高可达380 v的电汽笛配电箱.第2部分:交
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| 6. | Can be used to produce insulating seal material for switch box , instrument board , etc
：可用于各种电器开关设备仪表板电子元器件的封装材料。
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| 7. | Switch box for electric sirens for voltages up to 380 v , principal dimensions and circuit diagram
交流电压最高可达380 v的电汽笛配电箱.第1部分:主
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| 8. | Position indicator with namur is convenient for mounting accessories such as limit switch box , positioner and so on
Namur标准指示器便于安装位置开关、定位器等附件。
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| 9. | High - low voltage switch box , dynamic trunk line , mcc , ats , walkie - talkie , broadcasting , fire alarming system , telephone system , etc
电气：高低压开关箱动力干线mcc ats对讲广播火警电话等系统。
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| 10. | Electric power - distribution equipment for production workstations for film and television - part 3 : intermediate distribution box tk and switching box sv
电影和电视制作室用配电装置.第3部分:中间配电箱tk和
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