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FR949495A
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FR
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Improvement in metal formwork processes for galleries or tunnels with circular or other cross-section
Assignee: BLAW KNOX CIE FSE
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Filing: 1947-07-11
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Granted: 1949-08-31
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Expires: 1967-07-11
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
2026-10-26 19:34
CPC Classifications
E; E21; E21D; E21D11/00; E21D11/04; E21D11/10
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