Building construction
United States Patent 2397388
Inventors:
Troedsson, Carl B.
Publication Date:
03/26/1946
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Export Citation:
Assignee:
LOCKHEED AIRCRAFT CORP
Primary Class:
Other Classes:
52/840, 52/783.170, 52/282.300
International Classes:
E04B1/10; E04B2/70; E04B1/02