FR829757A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for obtaining photographic reproductions
Assignee: Heinz Schmitz-Hartmann
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Filing: 1937-11-23
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Granted: 1938-07-06
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Expires: 1957-11-23
Abstract
No abstract record available.
Inventors
- 👤 Heinz Schmitz-Hartmann
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 20:53
CPC Classifications
G; G03; G03C; G03C11/00; G03C11/12
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References Cited (Backward Citations)
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