FR337785A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Advanced sounding device
Assignee: FRANCAISE DE FORAGE ET DE RECHERCHES MINIERES Ste
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Filing: 1903-12-16
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Granted: 1904-04-25
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Expires: 1923-12-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 23:43
CPC Classifications
E; E21; E21B; E21B10/00; E21B10/02; E21B10/26
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