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IEC 61643-21 Edition 1.1:2009-04

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

Publication date
2009-04
Original language
English, French
Pages
128
Publication date
2009-04
Original language
English, French
Pages
128

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Replacement amendments

This document has been modified by: IEC 61643-21 AMD 2:2012-07

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