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FR847742A Expired / Lapsed FR ⏱️ 0.0 years remaining

Indirect heating solar water heater

Assignee: THERMIQUE NATURELLE
•
Filing: 1938-06-18
•
Granted: 1939-10-16
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Expires: 1958-06-18
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-31 23:33
CPC Classifications
F; F24; F24S; F24S10/00; F24S10/70; F24S10/72; F24S60/00; F24S60/30; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44

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