FR820172A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to electro-magnetic rail brakes
Assignee: FREINS JOURDAIN MONNERET SA
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Filing: 1936-07-10
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Granted: 1937-11-05
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Expires: 1956-07-10
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
2026-10-30 10:28
CPC Classifications
B; B61; B61H; B61H7/00; B61H7/02; B61H7/04; B61H7/06; B61H7/08
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