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
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 16:10
CPC Classifications
F; F23; F23J; F23J1/00; F23J2700/00; F23J2700/001
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