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FR1279252A Expired / Lapsed FR ⏱️ 0.0 years remaining

Optical device at one or more focal lengths

Assignee: Adolphe De Candt
•
Filing: 1960-07-18
•
Granted: 1961-12-22
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Expires: 1980-07-18
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Abstract

No abstract record available.

Inventors

  • 👤 Adolphe De Candt

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-02 07:15
CPC Classifications
G; G02; G02C; G02C7/00; G02C7/02; G02C7/08; G02C7/081; G02C7/085; G02C7/04; G02C7/041; G02C7/06

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