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DE725366C Expired / Lapsed DE ⏱️ 0.0 years remaining

Completely closable iris diaphragm

Assignee: Carl Zeiss SMT GmbH
•
Filing: 1939-07-08
•
Granted: 1942-09-19
•
Expires: 1959-07-08
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Abstract

No abstract record available.

Inventors

  • 👤 Fritz Hercher

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-28 05:07
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/08

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