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FR1146864A Expired / Lapsed FR ⏱️ 0.0 years remaining

New sheet filter material and processes for its manufacture

Assignee: Lucien-Victor Gewiss
•
Filing: 1956-03-01
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Granted: 1957-11-15
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Expires: 1976-03-01
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Abstract

No abstract record available.

Inventors

  • 👤 Lucien-Victor Gewiss

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-28 20:09
CPC Classifications
B; B01; B01D; B01D39/00; B01D39/14

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