FR1055385A
Expired / Lapsed
FR
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Burning of discs following conchoidal curves
Assignee: Henri Devaux
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Filing: 1952-05-03
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Granted: 1954-02-18
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Expires: 1972-05-03
Abstract
No abstract record available.
Inventors
- 👤 Henri Devaux
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 21:33
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/38; G11B23/42
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