CH303838A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Filter sleeve for cleaning the breathing air.
Assignee: Carl Bechtler Hans
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Filing: 1952-07-29
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Granted: —
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Expires: 1972-07-29
Abstract
No abstract record available.
Inventors
- 👤 Carl Bechtler Hans
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-23 15:00
CPC Classifications
A; A62; A62B; A62B19/00
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