Apparatus for cleaning catch basins,申请号US19400317287-传众专利搜索

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发明名称	Apparatus for cleaning catch basins
摘要
申请公布号	US2303491(A)	申请公布日期	1942.12.01
申请号	US19400317287	申请日期	1940.02.05
申请人	OTTERSON GEORGE W	发明人	OTTERSON GEORGE W.
分类号	E03F7/10	主分类号	E03F7/10
代理机构		代理人
主权项
地址

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