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FR834829A Expired / Lapsed FR ⏱️ 0.0 years remaining

temperature exchanger with improvements to these devices and to the elements or plates composing them

Assignee: Breil & Martel
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Filing: 1937-08-20
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Granted: 1938-12-02
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Expires: 1957-08-20
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Abstract

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Inventors

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-01 08:44
CPC Classifications
F; F28; F28D; F28D9/00; F28D9/0031; F28D9/0043; F28D9/005; F28F; F28F3/00; F28F3/08; F28F3/083

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