DE667263C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Conical rotary valve for compressed air delivery of bulk goods
Assignee: KARL BRIEDEN
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Filing: 1937-02-06
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Granted: 1938-11-08
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Expires: 1957-02-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-27 18:22
CPC Classifications
E; E21; E21F; E21F15/00; E21F15/08; E21F15/10
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