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DE765408C
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DE
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Process for the production of cast tropicalized, light-absorbing color or neutral gray filters in the form of round wedges
Assignee: Zeiss Ikon AG
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Filing: 1943-05-05
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Granted: 1954-10-18
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Expires: 1963-05-05
Abstract
No abstract record available.
Inventors
- 👤 Charlotte Dr-Ing Albrecht
- 👤 Michael Dunst
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 20:18
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/20; G02B5/22; G02B5/205; G02B26/00; G02B26/007; G02B26/02; G02B26/023
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References Cited (Backward Citations)
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