Title:
Water-heating system
Document Type and Number:
United States Patent 2126732
Inventors:
Frederick, Carnes
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Publication Date:
08/16/1938
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Referenced by:
Export Citation:
Assignee:
Frederick, Carnes
Primary Class:
Other Classes:
236/9R, 236/75, 237/19
International Classes:
F24D3/08; F24D3/00