FR849907A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Automatic electrical calculation methods and devices
Assignee: HEWITTIC SA
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Filing: 1938-08-10
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Granted: 1939-12-05
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Expires: 1958-08-10
Abstract
No abstract record available.
Inventors
- 👤 Marcel Demontvignier
- 👤 Maurice Lorfeuvre
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-24 05:03
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/48; G06G7/80; G06G7/12; G06G7/16; G06G7/163
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References Cited (Backward Citations)
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