Title:
Structural device
United States Patent 1826133
Inventors:
Hatch, Charles T.
Publication Date:
10/06/1931
Export Citation:
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Assignee:
UNION STEEL PROD CO
Primary Class:
52/772
Other Classes:
52/468, 52/522, 292/19, 411/918
International Classes:
E04B9/26; E04B9/22
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