FR1297213A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in the detection of underground cavities
Assignee: CGG SA
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Filing: 1961-05-16
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Granted: 1962-06-29
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Expires: 1981-05-16
Abstract
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Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 09:50
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/28; G01V1/30; G01V1/306
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