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FR50505E Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements in devices for the detection and physico-chemical analysis of gases

Assignee: Jean Edouard Gabreau
•
Filing: 1939-03-28
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Granted: 1940-12-26
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Expires: 1959-03-28
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Abstract

No abstract record available.

Inventors

  • 👤 Jean Edouard Gabreau
  • 👤 Andre Mouchot

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-25 17:02
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/4162

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