Patent FR657669A successfully refreshed from Google Patents.
FR657669A
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FR
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Improvements to filter candle filters
Assignee: Marius-Paul Otto
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Filing: 1927-11-30
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Granted: 1929-05-25
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Expires: 1947-11-30
Abstract
No abstract record available.
Inventors
- 👤 Marius-Paul Otto
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 20:05
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/50; B01D29/52; B01D29/11; B01D29/31; B01D29/33; B01D2201/00; B01D2201/04; B01D2201/043; B01D2201/0438
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References Cited (Backward Citations)
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