Title:
Heating apparatus of the closed type
United States Patent 2919690


Inventors:
Henri, Horn
Application Number:
US67011757A
Publication Date:
01/05/1960
Filing Date:
07/05/1957
Assignee:
Horn, Henri Ets
Primary Class:
International Classes:
F24C3/00; F24C15/00
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US Patent References:
Foreign References:
GB188301421A
GB657943A1951-09-26