Patent FR822200A successfully refreshed from Google Patents.
FR822200A
Expired / Lapsed
FR
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air purifier
Assignee: DELBAG DEUTSCHE LUFTFILTER BAU
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Filing: 1937-05-24
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Granted: 1937-12-22
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Expires: 1957-05-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 17:22
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/02; F02M35/024
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