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FR916985A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to complex internal combustion engines and powertrains

Assignee: Paul-Mary-Maurice Roy
•
Filing: 1945-07-05
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Granted: 1946-12-20
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Expires: 1965-07-05
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Abstract

No abstract record available.

Inventors

  • 👤 Paul-Mary-Maurice Roy

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-28 03:18
CPC Classifications
F; F02; F02K; F02K5/00; F02K5/02; Y; Y02; Y02T; Y02T50/00; Y02T50/60

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