FR916208A
Expired / Lapsed
FR
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Improvements in the construction of walls, ferrules or formwork for tunnels, mine galleries, reservoirs, silos, shafts and the like
Assignee: Jacques Couelle
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Filing: 1945-03-01
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Granted: 1946-11-29
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Expires: 1965-03-01
Abstract
No abstract record available.
Inventors
- 👤 Jacques Couelle
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 02:06
CPC Classifications
E; E21; E21D; E21D11/00; E21D11/14; E21D11/15; E21D11/04; E21D11/10; E21D11/18
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