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CH285191A Expired / Lapsed CH ⏱️ 0.0 years remaining

Lighting device for the projection of color film.

Assignee: Gretener Edgar Ing Dr
•
Filing: 1949-03-29
•
Granted: —
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Expires: 1969-03-29
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Abstract

No abstract record available.

Inventors

  • 👤 Gretener Edgar Ing Dr

Bibliographic Details

Application Number —
Jurisdiction CH
Data Source google_patents
Last Synchronized 2026-11-09 16:09
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/20; G03B21/208

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