FR821029A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Joint cover for metal support in mines
Assignee: Individual
•
Filing: 1936-11-09
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Granted: 1937-11-25
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Expires: 1956-11-09
Abstract
No abstract record available.
Inventors
- 👤 Josef Meiser
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 21:03
CPC Classifications
E; E21; E21D; E21D11/00; E21D11/14; E21D11/18; E21D11/22
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References Cited (Backward Citations)
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