电瓷件、瓷灯头、瓷灯座、座熔断器、绝缘子、闸刀开关、瓷接器、瓷插座等各式灯座。
Produces including lampholders porcelain lampholder fuse box insulator knife switch adapter block porcelain socket porcelain etc.
试验屏上有开关，熔断器，指示灯等。
The testing board is equipped with switches, fuses, pilot amps and so on.
低压熔断器；低压开关器及控制器-开关切断器及熔断器组合单位；
Switches , disconnectors , switch - disconnectors and fuse - combination units ; low voltage switchgear and controlgear assemblies.
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