Title:
Condenser for steam-driven machinery
United States Patent 1473449

Inventors:
Stearns, Ralph O.
Mcgraw, Daniel E.
Publication Date:
11/06/1923
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Assignee:
Stearns, Ralph O.
Mcgraw, Daniel E.
Primary Class:
261/115
Other Classes:
261/DIG.013, 261/118
International Classes:
F28B3/04; F28B3/00