31 : Electronics

31.160 : Electric filters

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NF EN 50065-4-6, C90-201-4-6 (11/2004)

NF EN 50065-4-6, C90-201-4-6 (11/2004)

Superseded Historical

Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-6 : low voltage decoupling filters - Phase coupler

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