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FR699299A Expired / Lapsed FR ⏱️ 0.0 years remaining

Further development of filters used in the manufacture of artificial silk and similar industries

Assignee: MECANIQUES DE COURBEVOIE ATEL
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Filing: 1930-07-24
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Granted: 1931-02-12
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Expires: 1950-07-24
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-26 14:43
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/14; B01D29/00; B01D29/11; B01D29/13; B01D29/15; B01D35/02; B01D37/00

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