FR857995A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and devices for the rapid construction of concrete floors, walls or other walls
Assignee: Richard Petersen
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Filing: 1939-07-19
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Granted: 1940-11-13
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Expires: 1959-07-19
Abstract
No abstract record available.
Inventors
- 👤 Richard Petersen
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 03:04
CPC Classifications
E; E04; E04G; E04G17/00; E04G17/18
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References Cited (Backward Citations)
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