FR858271A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Rotary valve timing for internal combustion engines and more particularly for injection engines
Assignee: VERSUCHSANSTADT FU R LUFTFAHRT
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Filing: 1939-07-26
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Granted: 1940-11-21
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Expires: 1959-07-26
Abstract
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 09:02
CPC Classifications
F; F01; F01L; F01L7/00; F01L7/08; F01L7/06
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