FR698263A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Advanced training in electromagnetic vibrators
Assignee: CONST D APP S ET SPECIALITES E
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Filing: 1930-07-01
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Granted: 1931-01-29
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Expires: 1950-07-01
Abstract
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Inventors
No inventors recorded.
Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 19:51
CPC Classifications
H; H04; H04R; H04R11/00
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