FR501946A
Expired / Lapsed
FR
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Use of aluminum alloys for sharpening steels
Assignee: RENE LABRUYERE
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Filing: 1919-07-25
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Granted: 1920-04-29
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Expires: 1939-07-25
Abstract
No abstract record available.
Inventors
- 👤 Raymond De Fleury
- 👤 Rene Labruyere
- 👤 Jean Andreau
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 15:06
CPC Classifications
B; B24; B24D; B24D15/00; B24D15/02; B24D7/00
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References Cited (Backward Citations)
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