FR795456A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in reciprocal communication processes
Assignee: Telefunken AG
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Filing: 1935-09-28
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Granted: 1936-03-14
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Expires: 1955-09-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 19:01
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/38; H04B1/40; H04B1/54; H04B1/56
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