Patent CH374600A successfully refreshed from Google Patents.
CH374600A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Aeration device for wastewater purification using the activated sludge process
Assignee: Von Roll Ag
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Filing: 1959-08-18
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Granted: —
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Expires: 1979-08-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-08 21:03
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/20; B; B01; B01F; B01F35/00; B01F35/71; B01F35/717; B01F35/71805; B01F23/00; B01F23/20; B01F23/23; B01F23/231; B01F23/23105; B01F23/2311; B01F23/23114; B01F23/231142; B01F23/23115; B01F23/231151; B01F23/2312; B01F23/23123; B01F23/231231; B01F23/23126; B01F23/231261; B01F23/232; B01F23/2323; B01F23/23231; B01F23/232311; B01F35/30; B01F35/32; B01F35/32005; B01F35/3203; B01F35/712; B01F35/32015; Y; Y02; Y02W; Y02W10/00; Y02W10/10
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