Alarm systems - Alarm transmissionn systems and equipment - Part 1-4: Requirements for systems with voice communicators using the public switched telephone network
NORM herausgegeben am 1.6.1999
Designation standards: ČSN EN 50136-1-4
Classification mark: 334596
Catalog number: 55343
Note: UNGÜLTIG
Publication date standards: 1.6.1999
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN