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FR567223A Expired / Lapsed FR ⏱️ 0.0 years remaining

radiator element, in particular an aircraft radiator

Assignee: EXPL DES PROCEDES ET BREVETS D
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Filing: 1923-06-09
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Granted: 1924-02-27
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Expires: 1943-06-09
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-03 21:17
CPC Classifications
F; F28; F28D; F28D1/00; F28D1/02; F28D1/03; F28D1/0308; F28D1/0325; F28D1/0333

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