Patent US4458978A successfully refreshed from Google Patents.
DE622012C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Centrifugal drum with closing means moved by liquid pressure for the sludge outlet openings
Assignee: HANS ROEHL
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Filing: 1934-04-26
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Granted: 1935-11-18
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Expires: 1954-04-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-25 12:39
CPC Classifications
B; B04; B04B; B04B1/00; B04B1/10; B04B1/14; B04B1/16; B04B1/18
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