CH377300A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Auxiliary support for drifting, especially in underground mining
Assignee: Bochumer Eisen Heintzmann
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Filing: 1959-04-17
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Granted: —
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Expires: 1979-04-17
Abstract
No abstract record available.
Inventors
- 👤 Bienhuels Wilhelm
- 👤 Rudolf Dipl Ing Seiz
- 👤 Joachim Dipl Ing Neeff
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-08 04:16
CPC Classifications
E; E21; E21D; E21D19/00; E21D19/04
Claims Analysis
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References Cited (Backward Citations)
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