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UNE 20890/1M:1999
A METHOD OF TEMPERATURE-RISE ASSESSMENT BY EXTRAPOLATION FOR PARTIALLY TYPE-TESTED ASSEMBLIES (PTTA) OF LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR.More info
| Author | AENOR |
|---|---|
| Editor | AENOR |
| Document type | Standard |
| Format | File |
| ICS | 29.120.60 : Cutting and control equipment |
| Number of pages | 10 |
| Cross references | IEC 60890:1987/CORR:1988 Identical |
| Year | 1990 |
| Country | Spain |