A review of the recent progress in the use of overhead electric trolley system for use on common roads. (3000 w.)
Trackless electric traction
Gleislose Elektrische Bahnen
1905
Article (Journal)
German
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Traction motor mounting device, traction system and trackless train
European Patent Office | 2023
|Trackless electric trolleys in Germany
Engineering Index Backfile | 1929
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