FR834409A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in the finishing of wheel tooth surfaces
Assignee: Brown David & Sons Ltd
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Filing: 1938-02-28
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Granted: 1938-11-21
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Expires: 1958-02-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 11:26
CPC Classifications
B; B23; B23F; B23F19/00; B23F19/05
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