![]() ( en Inventor 胡锦远 Original Assignee 胡锦远 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 status listed.) Expired - Fee Related Application number CN2007100206733A Other languages Chinese ( zh) Google Patents CN101269373B - Multi-functional pipeline dredging apparatus CN101269373B - Multi-functional pipeline dredging apparatus ![]()
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