Title:
Metal structure
United States Patent 1913342

Inventors:
Schaffert, Adolf H.
Publication Date:
06/06/1933
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Assignee:
TRUSCON STEEL CO
Primary Class:
52/588.100
Other Classes:
105/422, 52/579, 296/29, 52/762, 52/489.100, D25/121, 52/630, 52/537
International Classes:
E04D3/30; E04D3/362; E04D3/24; E04D3/36