FR1366092A
Expired / Lapsed
FR
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Advanced rotary drilling tool
Assignee: Societe Nationale des Petroles dAquitaine SA
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Filing: 1963-05-27
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Granted: 1964-07-10
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Expires: 1983-05-27
Abstract
No abstract record available.
Inventors
- 👤 Serge Gstalder
- 👤 Jean Raynal
- 👤 Bruno Renard
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 07:35
CPC Classifications
E; E21; E21B; E21B10/00; E21B10/46
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References Cited (Backward Citations)
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