DE452644C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Collimator-like directional glass
Assignee: BUSCH EMIL AG OPTISCHE IND
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Filing: 1925-12-10
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Granted: 1927-11-15
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Expires: 1945-12-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-27 11:50
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/14
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References Cited (Backward Citations)
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