FR701534A
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FR
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Assignee: Francois Geffroy
•
Filing: 1929-12-02
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Granted: 1931-03-17
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Expires: 1949-12-02
Abstract
No abstract record available.
Inventors
- 👤 Francois Geffroy
- 👤 Marcel Pichon
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 19:25
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/18; B23B27/20
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References Cited (Backward Citations)
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