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Priority to JP5962073UpriorityCriticalpatent/JPS507701U/ja
Publication of JPS507701UpublicationCriticalpatent/JPS507701U/ja
Conduit attachment with casing for replacing cleaning member which can be incorporated into conduit for pressureesending muddy substance* particularly* concrete
Conduit attachment with casing for replacing cleaning member which can be incorporated into conduit for pressureesending muddy substance* particularly* concrete