FR657274A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Air heater for furnaces, boilers and other uses
Assignee: Paul Leveque
•
Filing: 1928-07-11
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Granted: 1929-05-21
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Expires: 1948-07-11
Abstract
No abstract record available.
Inventors
- 👤 Paul Leveque
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 18:50
CPC Classifications
F; F23; F23M; F23M20/00
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References Cited (Backward Citations)
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