FR838593A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in the construction of rotary drum filters and extension of their use to recovery and concentration
Assignee: BEAUDREY BERGERON
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Filing: 1938-05-31
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Granted: 1939-03-09
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Expires: 1958-05-31
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
2026-10-23 16:09
CPC Classifications
B; B01; B01D; B01D33/00; B01D33/06; B01D33/067
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