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FR1102390A Expired / Lapsed FR ⏱️ 0.0 years remaining

Optical system with interchangeable elements to modify the magnification of the image

Assignee: Jos Schneider Optische Werke GmbH
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Filing: 1954-06-15
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Granted: 1955-10-19
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Expires: 1974-06-15
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-08 08:51
CPC Classifications
G; G02; G02B; G02B15/00; G02B15/02; G02B15/04; G02B15/06

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