ANTI-CORNERING PROTECTION FOR RAILROAD CLASSIFICATION YARDS
United States Patent 3543020
US Patent References:
Railway switch control apparatus
- - 2880308


Inventors:
Mcglumphy, George F.
Staples, Crawford E.
Publication Date:
11/24/1970
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Assignee:
WESTINGHOUSE AIR BRAKE CO
Primary Class:
246/1R
Other Classes:
104/26.100
International Classes:
B61L17/00; B61L7/08




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