FR563918A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Electromagnetic system of automatic telecombinators-switches for switching electrical circuits and realization devices
Assignee: Laurent Semat
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Filing: 1922-06-30
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Granted: 1923-12-17
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Expires: 1942-06-30
Abstract
No abstract record available.
Inventors
- 👤 Laurent Semat
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-22 23:49
CPC Classifications
H; H02; H02J; H02J13/00
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