Elektropneumatisch V3 Frequenzvariation bis 50Hz
Experiment/Model Test
2018-01-01
156MB, 00:03:22:04
Stummfilm
Silent movie
Audio-visual
Audio-visual
Unknown
Bahnenergieumrichter 50Hz/50Hz
Tema Archive | 2015
|Bericht ueber Auswirkungen auf 50Hz- und Tonfrequenz-Gleichstromkreise
Tema Archive | 1978
|A high integrity monitor for signalling interference prevention at 50Hz
British Library Conference Proceedings | 1995
|Method and system for 50Hz track signal detection and state identification
European Patent Office | 2020
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