Refrigerator car construction
United States Patent 2174988

Inventors:
Lundvall, John S.
Publication Date:
10/03/1939
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Assignee:
UNION ASBESTOS & RUBBER CO
Primary Class:
52/407.100
Other Classes:
220/592.090, 220/DIG.009, 52/508, 105/423, 105/409, 411/531
International Classes:
B61D27/00