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STN EN 61643-21:2002/A1 (341392)
Low voltage surge protective devices -- Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
STANDARD published on 1.1.2010
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The information about the standard:
Designation standards: STN EN 61643-21:2002/A1
Classification mark: 341392
Catalog number: 109920
Note: Change
Publication date standards: 1.1.2010
SKU: NS-530848
The number of pages: 44
Approximate weight : 132 g (0.29 lbs)
Country: Slovak technical standard
Category: Technical standards STN
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ČSN EN 61643-21:2002/A1 (01.02.2010)This change (correction) applies to this standard:
STN EN 61643-21 (341392)
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Low voltage surge protective devices -- Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
Standard published on 1.8.2002
Selected format: English - Print design (ON REQUEST)
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