Patent US5168362A successfully refreshed from Google Patents.
Patent FR1493931A successfully refreshed from Google Patents.
FR1493931A
Expired / Lapsed
FR
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Device for the production of directed seismic waves in boreholes
Assignee: VNII GEOFIZ METODOV
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Filing: 1966-09-16
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Granted: 1967-09-01
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Expires: 1986-09-16
Abstract
No abstract record available.
Inventors
- 👤 Igor Nikolaevich Sokolov
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 16:40
CPC Classifications
G; G01; G01V; G01V11/00; G01V11/002; G01V11/005; G01V1/00; G01V1/02; G01V1/143; G01V1/147
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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