Title:
Floor slab
United States Patent 1929478


Inventors:
Bunker, Herbert H.
Application Number:
US52374031A
Publication Date:
10/10/1933
Filing Date:
03/19/1931
Assignee:
Bunker, Herbert H.
Primary Class:
Other Classes:
14/73, 52/174, 52/189, 52/335, 52/474, 52/483.1, 404/70
International Classes:
E04C2/42
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