FR875411A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Heating or cooling device for concrete buildings
Assignee: Julietta Müllers
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Filing: 1941-08-23
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Granted: 1942-09-21
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Expires: 1961-08-23
Abstract
No abstract record available.
Inventors
- 👤 Julietta Müllers
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 00:38
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/0023
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References Cited (Backward Citations)
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