Bridge flooring
United States Patent 2210252

Inventors:
Neeld, Charles M.
Publication Date:
08/06/1940
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Assignee:
Neeld, Charles M.
Primary Class:
14/73
Other Classes:
52/440
International Classes:
E01D19/12; E01F15/04; E04B5/29; E01F15/02; E04B5/17