FR898315A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Centered optical system
Assignee: Koninklijke Philips NV
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Filing: 1943-09-27
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Granted: 1945-04-19
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Expires: 1963-09-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 17:34
CPC Classifications
G; G02; G02B; G02B17/00; G02B17/08; G02B17/0884; G02B17/0888; G02B17/0804; G02B17/0808
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