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UNE 20138:1982

UNE 20138:1982

TRANSFORMADORES TRIFASICOS PARA DISTRIBUCION EN BAJA TENSION DE 25 A 2500 KVA, 50 HZ

Publication Date:
1982-12-15 /Anulada
Cancellation date:
1990-11-23
CTN:

CTN 207 - Transmission and distribution of electrical energy

Cancellations:

It is cancelled by: UNE 20138:1990

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