Patent CH337178A successfully refreshed from Google Patents.
CH337178A
Expired / Lapsed
CH
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Room electrostatic filter system for air purification on an electrostatic basis
Assignee: Eei Etabl Electrovit Internati
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Filing: 1955-04-07
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Granted: —
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Expires: 1975-04-07
Abstract
No abstract record available.
Inventors
- 👤 Fritz Dr Ing Hahn
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-26 14:34
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/10; B; B03; B03C; B03C3/00; B03C3/02; B03C3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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