DE381707C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for catching pipes for deep drilling with a spreader for the attack jaws
Assignee: HANS LANGENS
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Filing: 1922-02-04
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Granted: 1923-09-24
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Expires: 1942-02-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-06 06:18
CPC Classifications
E; E21; E21B; E21B31/00; E21B31/12; E21B31/20
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