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FR688641A
Expired / Lapsed
FR
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Improvements to heat exchangers, applicable to boilers, economizers and other devices
Assignee: Henry Dieterlen
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Filing: 1930-01-21
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Granted: 1930-08-27
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Expires: 1950-01-21
Abstract
No abstract record available.
Inventors
- 👤 Henry Dieterlen
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 12:40
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/106
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Total Claims: 0
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