Fire detection and fire alarm systems - Part 33: Components of voice alarm systems - Active loudspeakers; German and English version prEN 54-33:2026
German title
Brandmeldeanlagen - Teil 33: Komponenten für Sprachalarmierungssysteme - Aktivlautsprecher; Deutsche und Englische Fassung prEN 54-33:2026
Date of issue
2026-11-27
Publication date
2027-01
Accessibility
Original language
German,
English
Pages
88
Date of issue
2026-11-27
Publication date
2027-01
Original language
German,
English
Pages
88
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