Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Kubota Corp
Original Assignee
Kubota Corp
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Filing date
Publication date
Application filed by Kubota CorpfiledCriticalKubota Corp
Priority to JP15367376ApriorityCriticalpatent/JPS5375567A/en
Publication of JPS5375567ApublicationCriticalpatent/JPS5375567A/en
PURPOSE: To prevent sludge from putrefaction and anoxia, top end of center well is submergeable from liquid level and compressed air supply pipe is connected with sludge supply pipe.