Pipeline cleaning device,申请号US19580739594-传众专利搜索

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发明名称	Pipeline cleaning device
摘要
申请公布号	US3000028(A)	申请公布日期	1961.09.19
申请号	US19580739594	申请日期	1958.06.03
申请人	BUIE JOHN C;RAULT REGINALD M	发明人	BUIE JOHN C.;RAULT REGINALD M.
分类号	F16L55/46	主分类号	F16L55/46
代理机构		代理人
主权项
地址

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