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Standard ČSN 342720 20.2.1968 preview

Preview of the standard

ČSN 342720 (342720)

Electric engineering rules csn. Regulations for light signal calling equipment and inter communication equipment



STANDARD published on 20.2.1968


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The information about the standard:

Designation standards: ČSN 342720
Classification mark: 342720
Catalog number: 2629
Publication date standards: 20.2.1968
SKU: NS-123479
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

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The category - similar standards:

Alarm and warning systemsElectrical engineering in general

Annotation of standard text ČSN 342720 (342720):

Norma udává technické požadavky pro konstrukci světelných volacích zařízení a dorozumívacích zařízení, používaných zejména ve zdravotnických objektech, hotelích, popř. v jiných podnicích občanské výstavby. Pro rozvody vedení k těmto zařízením platí ČSN 34 2300. Norma platí pro zařízení vyvíjená po její účinnosti a pro zařízení dovážená. ČSN 34 2720 byla schválena 20.2.1968 a nabyla účinnosti od 1.1.1969. Nahradila ČSN 36 5221 z 24.1.1956

Preview of the standard ČSN 342720 (342720)

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