Railroad hopper car cross ridge collar casting

Details Railroad hopper car cross ridge collar casting Railroad hopper car cross ridge collar casting

1988-02-18

1990-10-16

Lucas, Susan J.

Transportation

Rail vehicle

Element or attachment

Patent

active

D03113590

REFERENCES:
patent: 22492 (1893-05-01), Brill
patent: 1461732 (1923-07-01), Hart
patent: 2060156 (1936-11-01), Wine
patent: 3538857 (1970-11-01), Mowatt-Larssen

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