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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to JP9722176ApriorityCriticalpatent/JPS5323134A/ja
Publication of JPS5323134ApublicationCriticalpatent/JPS5323134A/ja
Publication of JPS557882B2publicationCriticalpatent/JPS557882B2/ja
JP9722176A1976-08-141976-08-14Method of collecting sludge by sctaching* and sludge scratch collecting ship for embodying the method
GrantedJPS5323134A
(en)