EN 50065 -1/A1 : 1992: signalling on low-voltage electrical installations in the frequency range 3khz to 148,5 khz: part 1: general requirements, frequency bands and electromagnetic disturbances: amendment A1 / European Commitee for Electrothecnical Standardization

COMITÉ EUROPÉEN DE NORMALISATION ELECTROTECHNIQUE

Brussels: CENELEC, 1992

9 p. ; 30 cm

Normas

Normas -- CENELEC; Frequências

006

1992

Material Textual Impresso

ENG