FR969939A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Line block installation for single track or double track railways
Assignee: TECH POUR L IND NOUVELLE SOC
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Filing: 1948-07-28
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Granted: 1950-12-27
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Expires: 1968-07-28
Abstract
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 19:52
CPC Classifications
B; B61; B61L; B61L23/00; B61L23/08; B61L23/12
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