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Title:
Concrete building block
United States Patent 1592476
Inventors:
Decio, Torrecelli
Application Number:
US68325223A
Publication Date:
07/13/1926
Filing Date:
12/28/1923
Assignee:
Decio, Torrecelli
Primary Class:
Other Classes:
52/592.1
International Classes:
E04B2/28; E04B2/02
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