Title:
ALUMINUM RAILWAY HOPPER CAR
United States Patent 3509827

Inventors:
Sutter, Robert F.
Publication Date:
05/05/1970
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Assignee:
ACF IND INC
Primary Class:
105/248
Other Classes:
105/418, 105/253, 105/409
International Classes:
B61D7/00; B61D7/02; B61F1/10; B61D7/00; B61F1/00
US Patent References:
3220355Railway conveying and unloading structure
3253556Gondola railway car
3339499Railway hopper car




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