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Priority to JP11223075UpriorityCriticalpatent/JPS5226206U/ja
Publication of JPS5226206UpublicationCriticalpatent/JPS5226206U/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