FR834256A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device for the magnetic verification of building material using the direct current pulse method
Assignee: FORDERUNG ZERSTORUNGSFREIER PR
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Filing: 1938-02-25
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Granted: 1938-11-16
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Expires: 1958-02-25
Abstract
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 20:18
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/72; G01N27/82; G01N27/83; G01N27/84
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