FR688535A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Projector refinements
Assignee: Compagnie des Lampes
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Filing: 1929-04-10
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Granted: 1930-08-26
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Expires: 1949-04-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 20:40
CPC Classifications
F; F21; F21S; F21S41/00; F21S41/30; F21S41/32; F21V; F21V7/00
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