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DE649112C Expired / Lapsed DE ⏱️ 0.0 years remaining

Spherically, comatically, chromatically and astigmatically corrected double light image lens

Assignee: Carl Zeiss SMT GmbH
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Filing: 1926-09-29
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Granted: 1937-08-14
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Expires: 1946-09-29
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-05 09:08
CPC Classifications
G; G02; G02B; G02B9/00; G02B9/34

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