FR1027658A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
two-piece mine prop
Assignee: SCHWARZ HERMANN KG
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Filing: 1950-11-14
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Granted: 1953-05-13
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Expires: 1970-11-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 23:37
CPC Classifications
E; E21; E21D; E21D15/00; E21D15/14; E21D15/28; E21D15/32; E21D15/325
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