AT177505B
Expired / Lapsed
AT
⏱️ 0.0 years remaining
Double stage liquid ring air pump
Assignee: Otto Siemen
•
Filing: 1952-06-14
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Granted: 1954-02-10
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Expires: 1972-06-14
Abstract
No abstract record available.
Inventors
- 👤 Otto Siemen
- 👤 Johannes Hinsch
Bibliographic Details
Application Number
—
Jurisdiction
AT
Data Source
google_patents
Last Synchronized
2026-11-05 11:29
CPC Classifications
—
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