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FR497673A
Expired / Lapsed
FR
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Process for producing heat by electricity
Assignee: RAUL FEDERICO ZIMMERMANN
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Filing: 1919-03-29
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Granted: 1919-12-12
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Expires: 1939-03-29
Abstract
No abstract record available.
Inventors
- 👤 Raul Federico Zimmermann
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 15:31
CPC Classifications
H; H05; H05B; H05B3/00
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Total Claims: 0
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