Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz; part 1: general requirements, frequency bands and electromagnetic disturbances; amendment 1
German title
Signalübertragung auf elektrischen Niederspannungsnetzen im Frequenzbereich 3 kHz bis 148,5 kHz; Teil 1: Allgemeine Anforderungen, Frequenzbänder und elektromagnetische Verträglichkeit; Änderung 1
Publication date
1992-12
Original language
English
Publication date
1992-12
Original language
English
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