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FR46214E Expired / Lapsed FR ⏱️ 0.0 years remaining

Device for the filtration of harmful gases, with control of the efficiency of this filtration and safety scrubber

Assignee: Fernez Andre Maurice
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Filing: 1934-12-17
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Granted: 1936-04-02
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Expires: 1954-12-17
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Abstract

No abstract record available.

Inventors

  • 👤 Fernez Andre Maurice

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-28 10:35
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/30

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