FR1166232A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method for obtaining several positive images from the same negative by the method of transfer of silver halide by diffusion
Assignee: Gevaert Photo Producten NV
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Filing: 1957-02-11
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Granted: 1958-11-04
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Expires: 1977-02-11
Abstract
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-09 03:50
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/02; G03C8/04; G03C8/06; G03D; G03D9/00
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