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AT147053B
Expired / Lapsed
AT
⏱️ 0.0 years remaining
Automatic lift valve for flushing pumps in deep drilling technology.
Assignee: Josef Kugler
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Filing: 1935-06-15
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Granted: 1936-09-25
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Expires: 1955-06-15
Abstract
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Inventors
- 👤 Josef Kugler
Bibliographic Details
Application Number
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Jurisdiction
AT
Data Source
google_patents
Last Synchronized
2026-10-23 23:17
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