FR671744A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Power transformer
Assignee: Compteurs Schlumberger SA
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Filing: 1929-03-20
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Granted: 1929-12-18
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Expires: 1949-03-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 09:10
CPC Classifications
H; H01; H01F; H01F38/00; H01F38/20; H01F38/22; H01F38/28; H01F38/30
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References Cited (Backward Citations)
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