
Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV Part 1: General requirements; German version FprEN 50588-1:2014
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV Part 1: General requirements; German version FprEN 50588-1:2014
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频