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DE516554C Expired / Lapsed DE ⏱️ 0.0 years remaining

Device for keeping the frequency constant of tube transmitters controlled by piezo crystals

Assignee: Alcatel Lucent Deutschland AG
•
Filing: 1929-12-18
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Granted: 1931-01-23
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Expires: 1949-12-18
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Abstract

No abstract record available.

Inventors

  • 👤 Hans Schumacher

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-22 22:51
CPC Classifications
H; H03; H03L; H03L1/00; H03L1/02; H03L1/04; H03B; H03B5/00; H03B5/30; H03B5/32; H03B5/34

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