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FR46885E Expired / Lapsed FR ⏱️ 0.0 years remaining

Protection device against smoke or dust and arsines adaptable to masks or breathing apparatus

Assignee: Rene Baudou
•
Filing: 1935-06-15
•
Granted: 1936-10-30
•
Expires: 1955-06-15
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Abstract

No abstract record available.

Inventors

  • 👤 Rene Baudou
  • 👤 Maurice Baudou

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-26 06:04
CPC Classifications
A; A62; A62B; A62B23/00

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