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DE484443C Expired / Lapsed DE ⏱️ 0.0 years remaining

Device for the biological purification of wastewater with activated sludge

Assignee: MAX PRUESS DR
•
Filing: 1926-06-20
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Granted: 1929-10-16
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Expires: 1946-06-20
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Abstract

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Inventors

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-03 20:45
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/1236; C02F3/1257; C02F3/1205; C02F3/1221; Y; Y02; Y02W; Y02W10/00; Y02W10/10

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