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FR492294A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to air heaters used in automotive torpedoes

Assignee: LYONNAISE DE MECANIQUE ET D ELECTRICITE Ste
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Filing: 1916-01-11
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Granted: 1919-07-03
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Expires: 1936-01-11
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-25 07:46
CPC Classifications
F; F42; F42B; F42B19/00; F42B19/12; F42B19/14; F42B19/20

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