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CH287610A
Expired / Lapsed
CH
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Ferrule for fixing the inner end of a hairspring.
Assignee: Erismann Gerard
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Filing: 1950-09-11
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Granted: —
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Expires: 1970-09-11
Abstract
No abstract record available.
Inventors
- 👤 Erismann Gerard
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-09 07:07
CPC Classifications
G; G04; G04B; G04B17/00; G04B17/32; G04B17/34; G04B17/345
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Total Claims: 0
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References Cited (Backward Citations)
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