FR987666A
Expired / Lapsed
FR
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Tool for creating circular lateral recesses in blastholes
Assignee: Seraphin-Joseph-Odil Arnal
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Filing: 1949-05-31
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Granted: 1951-08-17
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Expires: 1969-05-31
Abstract
No abstract record available.
Inventors
- 👤 Seraphin-Joseph-Odil Arnal
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 12:23
CPC Classifications
E; E21; E21B; E21B10/00; E21B10/62
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