DE832207C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Optical device for changing the size of the display, in particular optical re-marking device for mainly reduced display of drawings, plans, maps, etc. like
Assignee: KARLHEINZ BLEESING
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Filing: 1950-08-08
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Granted: 1952-02-21
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Expires: 1970-08-08
Abstract
No abstract record available.
Inventors
- 👤 Karlheinz Bleesing
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-26 20:28
CPC Classifications
G; G03; G03B; G03B21/00
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