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Switch blade device in a turnout on a tram-or streetcar-type line
Switch blade device in a turnout on a tram-or streetcar-type line
US Patent
5577691
· Granted Nov 26, 1996
Assignee
Vae Gmbh
Inventors
Egger Erich
(1 patents)
Ossberger Heinz
(1 patents)
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