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File:Union Switch & Signal logo.svg
来自维基百科,自由的百科全书
Found in articles
File:Union Switch & Signal logo.svg
English The
logo
of
Union
Switch
&
Signal
(US&S)
File:Union switch signal logo.png
company of USA Date 1929 Source US&S 1929 catalog Author Unknown authorUnknown author Other versions File:
Union
Switch
&
Signal
logo
.
svg
(vectorized)