FR557656A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and device for cleaning large-area sand filters
Assignee: Andre Sivade
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Filing: 1922-10-20
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Granted: 1923-08-13
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Expires: 1942-10-20
Abstract
No abstract record available.
Inventors
- 👤 Andre Sivade
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 08:28
CPC Classifications
B; B01; B01D; B01D24/00; B01D24/02; B01D24/20; B01D24/205; B01D24/46; B01D24/4605; B01D24/4621; B01D24/4631; B01D24/4636
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