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UNE 20439-1:1990 ACCEPTANCE INSPECTION OF CLASS 3 ALTERNATING-CURRENT WATTHOUR METERS.in stockReleased: 1990-06-20
UNE 20439-1:1990
ACCEPTANCE INSPECTION OF CLASS 3 ALTERNATING-CURRENT WATTHOUR METERS.
Control de aceptación de los contadores de corriente alterna reactiva de clase 3.
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| Standard number: | UNE 20439-1:1990 |
| Pages: | 22 |
| Released: | 1990-06-20 |
| Status: | Standard |
DESCRIPTION
This standard UNE 20439-1:1990 ACCEPTANCE INSPECTION OF CLASS 3 ALTERNATING-CURRENT WATTHOUR METERS. is classified in these ICS categories:
