FR493470A
Expired / Lapsed
FR
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Improvements to universal sharpening machines
Assignee: Pion & Boizot Soc
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Filing: 1918-11-30
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Granted: 1919-08-09
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Expires: 1938-11-30
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 08:36
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/02
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