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FR772684A Expired / Lapsed FR ⏱️ 0.0 years remaining

Device for sewage treatment

Assignee: LE BUREAU TECH D HYGIENE
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Filing: 1933-08-05
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Granted: 1934-11-03
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Expires: 1953-08-05
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Abstract

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Inventors

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-02 16:33
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/22; C02F3/223; B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/232; B01F23/2323; B01F23/23231; B01F23/232311; B01F35/00; B01F35/30; B01F35/32; B01F35/32005; B01F35/3203; B01F35/32015; Y; Y02; Y02W; Y02W10/00; Y02W10/10

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