Components of automatic fire detection systems; part 7: point type smoke detectors; detectors using scattered light, transmitted light or ionization; german version EN 54-7:1984 (status as of 1988)
German title
Bestandteile automatischer Brandmeldeanlagen; Teil 7: Punktförmige Rauchmelder; Rauchmelder nach dem Streulicht-, Durchlicht- oder Ionisationsprinzip; Deutsche Fassung EN 54-7:1984 (Stand 1988)
Publication date
1989-09
Original language
German
Pages
18
Publication date
1989-09
Original language
German
Pages
18
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