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How much does it cost to replace the property with an undervoltage protector?

30-80 yuan. The word "property" was translated from English property or estate, and was introduced into coastal areas and inland areas from Hongkong, China. Its meaning is property, assets, real estate, real estate, industry and so on. Property replacement 30-80 yuan, multifunctional three-phase three-wire power supply system or three-phase electrical equipment monitoring and protection instrument.