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Patent DE725366C successfully refreshed from Google Patents.
DE725366C
Expired / Lapsed
DE
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Completely closable iris diaphragm
Assignee: Carl Zeiss SMT GmbH
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Filing: 1939-07-08
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Granted: 1942-09-19
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Expires: 1959-07-08
Abstract
No abstract record available.
Inventors
- 👤 Fritz Hercher
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-28 08:57
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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