DE592549C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Remote monitoring of electrical apparatus, in particular electrical switches, by means of optical and acoustic signals
Assignee: Voigt and Haeffner AG
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Filing: —
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Granted: 1934-02-08
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Expires: 1951-02-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-22 22:29
CPC Classifications
H; H02; H02J; H02J13/00
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References Cited (Backward Citations)
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