Cleaning device for pipe lines,申请号US19420452167-传众专利搜索

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发明名称	Cleaning device for pipe lines
摘要
申请公布号	US2332984(A)	申请公布日期	1943.10.26
申请号	US19420452167	申请日期	1942.07.24
申请人	LLOYD BRACKEEN	发明人	BRACKEEN LLOYD
分类号	B08B9/04;B08B9/057	主分类号	B08B9/04
代理机构		代理人
主权项
地址

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