Title:
Truss structure
United States Patent 2139363
Inventors:
Graham, Walter M.
Benzon, Frank B.
Publication Date:
12/06/1938
Export Citation:
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Assignee:
Graham, Walter M.
Benzon, Frank B.
Primary Class:
52/642
Other Classes:
14/15
International Classes:
E04C3/17; E04C3/12
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