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FR770225A Expired / Lapsed FR ⏱️ 0.0 years remaining

Method and device for introducing pulverized or granulated masses, for example activated carbon, into rapid sand filters, with jet washing device

Assignee: TRAITEMENT DES LIQUIDES PAR LE
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Filing: 1934-03-15
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Granted: 1934-09-11
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Expires: 1954-03-15
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-30 21:06
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/001; C02F1/004; C02F1/28; C02F1/283; C02F1/68; C02F1/685; C02F1/687; C02F2101/00; C02F2101/10; C02F2101/101; C02F2101/30; C02F2101/34; C02F2101/345; C02F2101/36

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