DE373990C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for collecting and examining the drilling air in bores
Assignee: PRAKTISCHE GEOPHYSIK M B H GES
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Filing: 1921-12-28
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Granted: 1923-04-18
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Expires: 1941-12-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 01:35
CPC Classifications
G; G01; G01V; G01V9/00; G01V9/007
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