FR999955A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements made to filters such as those for hydrocarbons
Assignee: Cesar Marchand
•
Filing: 1946-02-07
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Granted: 1952-02-06
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Expires: 1966-02-07
Abstract
No abstract record available.
Inventors
- 👤 Cesar Marchand
- 👤 Charles Granet
- 👤 Emile Loison
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 17:54
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/11; B01D29/31; B01D29/33; B01D35/00; B01D35/005
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