Title:
RAILROAD BOXCAR DOOR CONSTRUCTION
Document Type and Number:
United States Patent 3431964

Inventors:
Rogers, Ralph P.
Publication Date:
03/11/1969
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Assignee:
Ralph, Rogers P.
Primary Class:
160/23.100
International Classes:
B61D19/00; E06B9/08; E06B9/17; B61D19/00
Other References:
None




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