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
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Filing: 1921-09-05
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Granted: 1922-07-13
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Expires: 1941-09-05
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 03:46
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/32; B01J2219/00; B01J2219/32; B01J2219/322; B01J2219/32279
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