Patent FR441302A successfully refreshed from Google Patents.
FR441302A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for treating sludge from sewage, in horizontal basins or in pits, separated from the devices for collecting the sludge
Assignee: STAEDTEHYGIENE und WASSERBAUGE
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Filing: 1912-03-13
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Granted: 1912-08-03
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Expires: 1932-03-13
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 15:51
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/28
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