Building unit
United States Patent 1963410

Inventors:
Kartowicz, Frank G.
Publication Date:
06/19/1934
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Assignee:
Kartowicz, Frank G.
Primary Class:
52/481.200
Other Classes:
52/778, 52/503, 52/236.600, 52/319, 52/602, 52/275
International Classes:
E04B2/56