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FR833508A Expired / Lapsed FR ⏱️ 0.0 years remaining

Photographic material for color images intended to be viewed by reflection

Assignee: IG Farbenindustrie AG
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Filing: 1938-02-11
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Granted: 1938-10-24
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Expires: 1958-02-11
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-28 08:20
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/95

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