Patent FR1304682A successfully refreshed from Google Patents.
FR1304682A
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FR
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Lighting device for observing narrow and deep cavities
Assignee: Bernard Chardon
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Filing: 1961-07-27
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Granted: 1962-09-28
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Expires: 1981-07-27
Abstract
No abstract record available.
Inventors
- 👤 Bernard Chardon
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 06:51
CPC Classifications
F; F21; F21L; F21L14/00; F21W; F21W2131/00; F21W2131/20
Claims Analysis
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References Cited (Backward Citations)
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