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FR859994A Expired / Lapsed FR ⏱️ 0.0 years remaining

Process for the flotation treatment of ores, coals and the like, and apparatus for its implementation

Assignee: Rth Rudolf Ku
•
Filing: 1939-07-12
•
Granted: 1941-01-03
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Expires: 1959-07-12
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Abstract

No abstract record available.

Inventors

  • 👤 Rth Rudolf Ku

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-30 23:03
CPC Classifications
B; B03; B03D; B03D1/00; B03D1/14; B03D1/1493; B03D1/16; B03D1/24; B03D1/242

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