FR448553A
Expired / Lapsed
FR
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Artificial stone beam
Assignee: Individual
•
Filing: 1912-09-20
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Granted: 1913-02-04
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Expires: 1932-09-20
Abstract
No abstract record available.
Inventors
- 👤 Otto Silbermann
- 👤 Fritz Emmrich
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 07:25
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/20; B; B28; B28B; B28B7/00; B28B7/28; B28B7/30
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