IEC 61557-12-2018+Amd 1-2021Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 12- Power metering and monitoring devices (PMD)

标准类别：[IEC] 国际电工委员会标准
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标准编号：IEC 61557-12-2018+Amd 1-2021
标准状态：
更新时间：2022-03-31
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IEC 61557-12-2018+Amd 1-2021Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 12- Power metering and monitoring devices (PMD)

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