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DE856122C Expired / Lapsed DE ⏱️ 0.0 years remaining

Display board for writing or images, especially for indicating the direction of movement

Assignee: Siemens Corp
•
Filing: 1951-02-13
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Granted: 1952-11-20
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Expires: 1971-02-13
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Abstract

No abstract record available.

Inventors

  • 👤 Josef Dipl-Phys Schoenbuchner

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-27 09:11
CPC Classifications
G; G09; G09F; G09F9/00; G09F9/30; G09F9/37; G09F9/375

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