SNV - SN EN 54-21
Fire detection and fire alarm systems – Part 21: Alarm transmission and fault warning routing equipment
active, Most Current
| Organization: | SNV |
| Publication Date: | 1 July 2006 |
| Status: | active |
| Page Count: | 38 |
| ICS Code (Fire protection): | 13.220.20 |
Document History
SN EN 54-21
July 1, 2006
Fire detection and fire alarm systems – Part 21: Alarm transmission and fault warning routing equipment
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