FR518533A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements made in the dedusting of gases from the roasting of ores
Assignee: MANUF DE PROD CHIM DU NORD
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Filing: 1920-07-01
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Granted: 1921-05-27
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Expires: 1940-07-01
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
2026-11-01 11:02
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/04; B01D45/08
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