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FR884072A
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FR
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Right or left helical drill bit sharpening machine with variable angles and relief
Assignee: Maurice-Abel Ruolle
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Filing: 1942-03-04
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Granted: 1943-08-02
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Expires: 1962-03-04
Abstract
No abstract record available.
Inventors
- 👤 Maurice-Abel Ruolle
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 16:24
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/24; B24B3/26; B24B3/32
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References Cited (Backward Citations)
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