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FR540647A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to devices for condensation, absorption, washing or dissolution of gases and vapors

Assignee: Alfred-Paul-Edouard Valentin
•
Filing: 1921-09-05
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Granted: 1922-07-13
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Expires: 1941-09-05
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Abstract

No abstract record available.

Inventors

  • 👤 Alfred-Paul-Edouard Valentin

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-29 05:49
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/32; B01J2219/00; B01J2219/32; B01J2219/322; B01J2219/32279

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