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Draft standard

PR NF C61-744-21 - Draft

PR NF IEC 61643-21

Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods

German title
Überspannungsschutzgeräte für Niederspannung - Teil 21: Überspannungsschutzgeräte für den Einsatz in Telekommunikations- und signalverarbeitenden Netzwerken - Leistungsanforderungen und Prüfverfahren
Original language
English, French
Pages
170

194.40 EUR VAT included

181.68 EUR VAT excluded

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Original language
English, French
Pages
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