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FR829908A Expired / Lapsed FR ⏱️ 0.0 years remaining

High altitude oxygen inhaler mask with adjustable rubber mouthpiece attachment

Assignee: Ulmer
•
Filing: 1937-11-25
•
Granted: 1938-07-11
•
Expires: 1957-11-25
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Abstract

No abstract record available.

Inventors

  • 👤 Ulmer

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 17:41
CPC Classifications
A; A62; A62B; A62B18/00; A62B18/08; A62B18/084

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