FR765332A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to drilling machines for handling fluids, liquids or gases
Assignee: Jean Alphonse Valentin
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Filing: 1933-12-11
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Granted: 1934-06-08
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Expires: 1953-12-11
Abstract
No abstract record available.
Inventors
- 👤 Jean Alphonse Valentin
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 00:45
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/04; F16L41/06
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References Cited (Backward Citations)
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