FR423150A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Gelatin-based photo printing process and its applications in photomechanical industries
Assignee: CONSTANT DROUILLARD
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Filing: 1910-02-07
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Granted: 1911-04-08
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Expires: 1930-02-07
Abstract
No abstract record available.
Inventors
- 👤 Edouard Belin
- 👤 Constant Drouillard
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 05:57
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/06
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