FR74880E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to devices for manufacturing pre-stressed concrete assemblies, in particular poles for power lines
Assignee: FORCE ET LUMIERE ELECTR SOC D
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Filing: 1959-01-29
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Granted: 1961-03-03
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Expires: 1979-01-29
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
2026-11-04 22:40
CPC Classifications
B; B28; B28B; B28B23/00; B28B23/02; B28B23/04; B28B23/043; B28B1/00; B28B1/52
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