FR857557A
Expired / Lapsed
FR
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High strength construction process using corrugated sheet metal
Assignee: Boris Lochak
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Filing: 1939-04-01
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Granted: 1940-09-19
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Expires: 1959-04-01
Abstract
No abstract record available.
Inventors
- 👤 Boris Lochak
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 10:47
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/32; E04C2/322
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References Cited (Backward Citations)
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