FR655121A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Additional additional cartridge of filter boxes for gas masks, to stop dust and certain gases such as arsiones
Assignee: Armand Gadrat
•
Filing: 1927-10-19
•
Granted: 1929-04-15
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Expires: 1947-10-19
Abstract
No abstract record available.
Inventors
- 👤 Armand Gadrat
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 12:54
CPC Classifications
A; A62; A62B; A62B23/00
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