FR890428A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
scales of snapshot speeds and diaphragm apertures of cameras
Assignee: Zeiss Ikon AG
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Filing: 1943-01-28
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Granted: 1944-02-08
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Expires: 1963-01-28
Abstract
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 21:55
CPC Classifications
G; G03; G03B; G03B13/00; G03B13/18; G03B13/20
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