FR849199A
Expired / Lapsed
FR
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Assignee: Peter Gu Nther Wachtel
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Filing: 1939-01-21
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Granted: 1939-11-15
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Expires: 1959-01-21
Abstract
No abstract record available.
Inventors
- 👤 Peter Gu Nther Wachtel
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 19:13
CPC Classifications
G; G04; G04B; G04B19/00; G04B19/20
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