Vertaling ontbreekt; de Chinese brontekst wordt getoond.

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IEEE Std P644/D7, Aug 2019 · Relaties

IEEE Std P644/D7, Aug 2019 是电气电子工程师学会的草案，题为“IEEE Approved Draft Standard Procedures for Measurement of Power Frequency Electric and Magnetic Fields from AC Power Lines”；公开目录标为非现行（Inactive），著录年份为 2019 年。