FR1538901A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and apparatus for air purification
Assignee: Wyeth Holdings LLC
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Filing: 1967-09-27
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Granted: 1968-09-06
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Expires: 1987-09-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 00:59
CPC Classifications
F; F24; F24F; F24F8/00; F24F8/10; F24F8/192; Y; Y02; Y02A; Y02A50/00; Y02A50/20
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