B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L13/00—Operation of signals from the vehicle or by the passage of the vehicle
B61L13/04—Operation of signals from the vehicle or by the passage of the vehicle using electrical or magnetic interaction between vehicle and track, e.g. by conductor circuits using special means or special conductors
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography
(AREA)
Developing Agents For Electrophotography
(AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds
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