PIPE-CLEANING TOOL,申请号USD3604042-传众专利搜索

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发明名称	PIPE-CLEANING TOOL
摘要
申请公布号	US3604042(A)	申请公布日期	1971.09.14
申请号	USD3604042	申请日期	1969.10.23
申请人	RAYMOND M. BREMNER	发明人	RAYMOND MUIR BREMNER;JAMES M. FREW
分类号	B08B9/04;B08B9/045;E03F9/00;(IPC1-7):B08B9/02	主分类号	B08B9/04
代理机构		代理人
主权项
地址

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