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Standard ČSN EN 54-21 1.1.2007 preview

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ČSN EN 54-21 (342710)

Fire detection and fire alarm systems - Part 21: Alarm transmission and fault warning routing equipment



STANDARD published on 1.1.2007


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The information about the standard:

Designation standards: ČSN EN 54-21
Classification mark: 342710
Catalog number: 77413
Publication date standards: 1.1.2007
SKU: NS-155051
The number of pages: 32
Approximate weight : 96 g (0.21 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

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The category - similar standards:

Fire protection

Annotation of standard text ČSN EN 54-21 (342710):

Tato norma specifikuje požadavky, zkušební metody, kritéria provedení pro poplachová a poruchová přenosová zařízení, která jsou použita v systémech elektrické požární signalizace pro budovy (viz EN 54-1).

Preview of the standard ČSN EN 54-21 (342710)

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ČSN EN 54-20ČSN EN 54-20

1.1.2007

ČSN EN 54-23ČSN EN 54-23

1.10.2010

ČSN EN 54-24ČSN EN 54-24

1.2.2009

ČSN EN 54-25ČSN EN 54-25

1.1.2009

ČSN EN 14604ČSN EN 14604

1.2.2006

ČSN 347660-4DČSN 347660-4D

1.7.2003

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