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FR702673A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to ash and bottom ash extraction devices

Assignee: Foyers Automatiques SA Des
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Filing: 1930-09-26
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Granted: 1931-04-14
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Expires: 1950-09-26
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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 2026-11-07 04:03
CPC Classifications
F; F23; F23J; F23J1/00; F23J2700/00; F23J2700/001

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