FR545623A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in the processing of finely divided coal
Assignee: Minerals Separation Ltd
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Filing: 1922-01-05
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Granted: 1922-10-17
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Expires: 1942-01-05
Abstract
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Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 18:11
CPC Classifications
C; C10; C10L; C10L5/00; C10L5/02; C10L5/06; C10L5/10; C10L5/22
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