FR704178A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Water-cooled hot air damper
Assignee: Heinrich Rosener
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Filing: 1930-10-21
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Granted: 1931-05-15
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Expires: 1950-10-21
Abstract
No abstract record available.
Inventors
- 👤 Heinrich Rosener
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 18:34
CPC Classifications
C; C21; C21B; C21B9/00; C21B9/10; C21B9/12
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References Cited (Backward Citations)
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