Standard Number: NB/T 42122-2017(NB/T42122-2017)
Chinese:电炉变压器保护装置通用技术规范
English:General technical specification for protective devices for electric furnace transformers
Effective Date:2017-12-01
Standard Applicability:This standard applies to electric furnace transformer protection device (hereinafter referred to as the device), as the basis for the design, manufacture, testing and operation of the protection device.
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