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DE643177C Expired / Lapsed DE ⏱️ 0.0 years remaining

Rangefinder for photographic equipment coupled to the lens setting

Assignee: HEINRICH GREEVEN
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Filing: —
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Granted: 1937-03-30
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Expires: 1954-03-30
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-26 11:16
CPC Classifications
G; G03; G03B; G03B13/00; G03B13/18; G03B13/20

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