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Patent FR870508A successfully refreshed from Google Patents.
FR870508A
Expired / Lapsed
FR
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Improvements to track change devices for railway convoys
Assignee: R E F SA
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Filing: 1941-03-01
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Granted: 1942-03-13
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Expires: 1961-03-01
Abstract
No abstract record available.
Inventors
- 👤 Adolphe Henry
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 02:47
CPC Classifications
E; E01; E01B; E01B7/00; E01B7/02; E01B7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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