FR677668A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Perforated hollow brick
Assignee: Schmidheiny & Co J
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Filing: 1929-07-01
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Granted: 1930-03-13
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Expires: 1949-07-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 15:11
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/02; E04B2/42; E04B2002/0297
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