FR1126478A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvement in air separation by liquefaction and rectification at low temperature
Assignee: Air Liquide SA
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Filing: 1955-05-11
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Granted: 1956-11-23
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Expires: 1975-05-11
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 04:09
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/02; F25J3/04
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