Patent FR509898A successfully refreshed from Google Patents.
FR509898A
Expired / Lapsed
FR
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Improvements in apparatus for the precipitation by electricity of particles in suspension in gases
Assignee: International Precipitation Co
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Filing: 1920-02-12
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Granted: 1920-11-22
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Expires: 1940-02-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 21:38
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/34; B03C3/74; B03C3/76; B03C3/40
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