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FR552592A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to the lubrication of combustion engines

Assignee: Pierre-Joseph Gregoire
•
Filing: 1922-06-07
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Granted: 1923-05-03
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Expires: 1942-06-07
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Abstract

No abstract record available.

Inventors

  • 👤 Pierre-Joseph Gregoire

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-30 12:28
CPC Classifications
F; F01; F01L; F01L5/00; F01L5/04; F01L5/06; F01L5/08

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