
Three-Phase Oil-Immersed Distribution Transformers 50 Hz, From 50 To 2500 Kva With Highest Voltage For Equipment Not Exceeding 36 Kv - Part 1: General Requirements - Section 2: Requirements For Dual-Voltage Transformers In Low-Voltage
出版:Asociacion Espanola de Normalizacion

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2011 [04/05/2011]2004 [22/10/2004]96 ERRATUM 99 [14/06/1999]96 [21/05/1996]
Supersedes UNE 20138-2. (06/2003) 2004 Edition is still active. (05/2011)
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