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DE931689C Expired / Lapsed DE ⏱️ 0.0 years remaining

Microphone for string instruments

Assignee: Siemens Corp
•
Filing: 1953-08-29
•
Granted: 1955-08-16
•
Expires: 1973-08-29
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Abstract

No abstract record available.

Inventors

  • 👤 Reinhard Dipl-Ing Leisterer

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-26 13:53
CPC Classifications
G; G10; G10H; G10H3/00; G10H3/12; G10H3/14; G10H3/18; G10H3/185; G10H2220/00; G10H2220/461; G10H2220/465; G10H2220/481; G10H2220/485; G10H2220/525; G10H2220/541; G10H2220/545

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