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FR899140A Expired / Lapsed FR ⏱️ 0.0 years remaining

Air heating recuperator unit applicable to hot and noxious gas ducts

Assignee: Pierre Coudereau
•
Filing: 1943-06-28
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Granted: 1945-05-22
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Expires: 1963-06-28
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Abstract

No abstract record available.

Inventors

  • 👤 Pierre Coudereau

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-01 10:23
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/22; F28D; F28D7/00; F28D7/10; F28D7/106; F28F1/00; F28F1/10; F28F1/12; F28F1/24; F28F2009/222; F28F2009/226

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