FR500309A
Expired / Lapsed
FR
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Improvements to shaft furnaces for cements, lime, roasting and calcination of ores, blast furnaces, gasifiers, etc.
Assignee: ETIENNE FRANCOIS CHAUDIERE
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Filing: 1918-10-09
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Granted: 1920-03-08
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Expires: 1938-10-09
Abstract
No abstract record available.
Inventors
- 👤 Etienne Francois Chaudiere
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 05:01
CPC Classifications
F; F27; F27B; F27B1/00; F27B1/005
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