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FR1543657A
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Method for varying the focal length of optical lenses, and optical lens based on said method
Assignee: SYOSSET Manufacturing CORP
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Filing: 1967-11-02
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Granted: 1968-10-25
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Expires: 1987-11-02
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-10 02:24
CPC Classifications
G; G02; G02B; G02B3/00; G02B3/12; G02B3/14
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