Title:
Wall construction
Document Type and Number:
United States Patent 1391567
Inventors:
Mas, Nadal Jose
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Publication Date:
09/20/1921
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Assignee:
Mas, Nadal Jose
Primary Class:
Other Classes:
52/274, 52/438, 52/213, 52/293.200
International Classes:
E04B2/28; E04B2/02