CH236052A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Optical device giving a real image of a subject in varying magnitude ratio.
Assignee: Raphaeel Boolsky Bogopolsky
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Filing: 1942-09-22
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Granted: —
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Expires: 1962-09-22
Abstract
No abstract record available.
Inventors
- 👤 Boolsky-Bogopolsky Raphaeel
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-06 09:01
CPC Classifications
G; G02; G02B; G02B15/00; G02B15/02; G02B15/04; G02B15/14; G02B15/142; G02B15/1425; G02B15/143; G02B15/1435
Claims Analysis
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References Cited (Backward Citations)
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