UNE-EN IEC 62271-200:2021現行
High-voltage switchgear and controlgear - Part 200: AC metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV (Endorsed by Asociacin Espaola de Normalizacin in September of 2021.)
出版：Asociacion Espanola de Normalizacion
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