Pipe cleaning machine,申请号US19420431650-传众专利搜索

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发明名称	Pipe cleaning machine
摘要
申请公布号	US2436099(A)	申请公布日期	1948.02.17
申请号	US19420431650	申请日期	1942.02.20
申请人	CRUTCHER-ROLFS-CUMMINGS COMPANY	发明人	CUMMINGS JAMES D.;LAURENT MILTON P.
分类号	B08B9/02;B08B9/023	主分类号	B08B9/02
代理机构		代理人
主权项
地址

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