FR997992A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to shaped explosive devices
Assignee: Services Petroliers Schlumberger SA
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Filing: 1949-01-22
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Granted: 1952-01-14
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Expires: 1969-01-22
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 07:14
CPC Classifications
F; F42; F42B; F42B1/00; F42B1/02; F42B1/028
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