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Light shield for the photocell of the electric light meter

Assignee: OEDOEN RISZDORFER DR
•
Filing: 1935-03-15
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Granted: 1943-01-08
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Expires: 1955-03-15
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-29 16:53
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/42; G01J1/4209

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