FR1070281A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and installation for passing a powdery material between spaces subjected to different pressure
Assignee: Heinrich Koppers GmbH
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Filing: 1953-02-03
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Granted: 1954-07-21
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Expires: 1973-02-03
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 09:52
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/02; B; B65; B65G; B65G53/00; B65G53/34; B65G53/40; B65G53/48; G06; G06G; G06G7/00; G06G7/12; G06G7/20
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