FR557248A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device for testing lubricating oils, under variable pressure at different temperatures with residues for analysis
Assignee: Jean-Joseph Guinot
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Filing: 1922-10-10
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Granted: 1923-08-04
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Expires: 1942-10-10
Abstract
No abstract record available.
Inventors
- 👤 Jean-Joseph Guinot
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 02:33
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/26; G01N33/28; G01N33/30
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