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FR671464A Expired / Lapsed FR ⏱️ 0.0 years remaining

Photographic and cinematographic projections giving the perception of relief

Assignee: Paul-Louis Couchoud
•
Filing: 1929-03-14
•
Granted: 1929-12-13
•
Expires: 1949-03-14
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Abstract

No abstract record available.

Inventors

  • 👤 Paul-Louis Couchoud

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-27 16:06
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/56; G03B21/60

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