Patent US2540287A successfully refreshed from Google Patents.
FR385276A
Active / In Force
FR
FR385276A - - Google Patents
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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
2026-10-23 18:49
CPC Classifications
B; B24; B24D; B24D15/00; B24D15/06; B24D15/10; B24D15/105
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