FR735557A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in the distillation of coals at low temperature
Assignee: Charles Francois
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Filing: 1932-04-19
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Granted: 1932-11-10
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Expires: 1952-04-19
Abstract
No abstract record available.
Inventors
- 👤 Charles Francois
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 18:05
CPC Classifications
C; C10; C10B; C10B7/00; C10B7/14
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References Cited (Backward Citations)
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