FR725538A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Refrigeration process for removing easily condensable elements in gases intended to be treated with cold
Assignee: Air Liquide SA
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Filing: 1931-11-03
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Granted: 1932-05-13
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Expires: 1951-11-03
Abstract
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Inventors
No inventors recorded.
Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 15:25
CPC Classifications
F; F25; F25J; F25J5/00
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