FR667876A
Expired / Lapsed
FR
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Assignee: Niels Peter Spaabaek
•
Filing: 1929-01-22
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Granted: 1929-10-24
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Expires: 1949-01-22
Abstract
No abstract record available.
Inventors
- 👤 Niels Peter Spaabaek
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 09:59
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/32; E04H15/60
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References Cited (Backward Citations)
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