Public-address systems in coaches
NORMA vydaná dňa 1.12.2019
Označenie normy: IRS 40440-1ed.
Dátum vydania normy: 1.12.2019
Počet strán: 20
Približná hmotnosť: 60 g (0.13 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy IRS
This IRS sets out guidelines so that information may be given over the public-address system on scheduled long-distance passenger trains in a standard and user-friendly way, and defines the characteristics of public-address equipment in order to facilitate its use on international services.
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