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UNE-EN 61643-21:2002
Low voltage surge protective devices -- Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods.
No description.
Technical characteristics
| Publisher | Asociacion Espanola de Normalizacion y Certificacion (AENOR) |
| Publication Date | 10/28/2002 |
| Page Count | 56 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |