NEN EN 50588-4:2018现行
Medium Power Transformers 50 Hz, With Highest Voltage For Equipment Not Exceeding 36 Kv - Part 4: Transformers With Cable Boxes On The High-Voltage And/Or Low-Voltage Side - Cable Boxes Type 2 For Use On Transformers Meeting The Requirements Of En 50588-2
出版：Nederlands Normalisatie Instituut
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