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FR976009A
Expired / Lapsed
FR
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Lamp filament focusing device in a projector
Assignee: Maison Breguet SA
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Filing: 1948-09-28
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Granted: 1951-03-13
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Expires: 1968-09-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 08:02
CPC Classifications
F; F21; F21V; F21V19/00; F21V19/02
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