Draft Document - 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; German version FprEN 50065-1:2010
文件草案——频率范围为3 kHz至148.5 kHz的低压电气装置上的信号发送——第1部分:一般要求、频带和电磁干扰;德文版FprEN 50065-1:2010