FR838716A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and apparatus for driving tubes or tubular formwork into the ground and simultaneously extracting material to be cleared
Assignee: Gino Adriano Garzi
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Filing: 1938-05-31
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Granted: 1939-03-14
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Expires: 1958-05-31
Abstract
No abstract record available.
Inventors
- 👤 Gino Adriano Garzi
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 18:27
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/003
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