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UNE 20439-1:1990
ACCEPTANCE INSPECTION OF CLASS 3 ALTERNATING-CURRENT WATTHOUR METERS.More info
| Author | AENOR |
|---|---|
| Editor | AENOR |
| Document type | Standard |
| Format | File |
| ICS | 91.140.50 : Electricity supply systems |
| Number of pages | 22 |
| Year | 1990 |
| Country | Spain |