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FR763282A
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Improvements to piston rings
Assignee: Bronislaw Velitchko
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Filing: 1933-11-02
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Granted: 1934-04-26
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Expires: 1953-11-02
Abstract
No abstract record available.
Inventors
- 👤 Bronislaw Velitchko
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 16:53
CPC Classifications
F; F16; F16J; F16J9/00; F16J9/06; F16J9/061; F16J9/063
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