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Fire detection and fire alarm systems - Part 20: Aspirating smoke detectors.
STANDARD published on 1.2.2009
Designation standards: DIN EN 54-20:2009-02
Publication date standards: 1.2.2009
SKU: NS-236216
The number of pages: 72
Approximate weight : 216 g (0.48 lbs)
Country: German technical standard
Category: Technical standards DIN
Brandmeldeanlagen - Teil 20: Ansaugrauchmelder.
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