Apparatus for removing matter from the bottom of waterways,申请号US19570633928-传众专利搜索

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发明名称	Apparatus for removing matter from the bottom of waterways
摘要
申请公布号	US2852868(A)	申请公布日期	1958.09.23
申请号	US19570633928	申请日期	1957.01.14
申请人	TALBOTT DAVID R;DARDEN WILLIAM M	发明人	TALBOTT DAVID R.;DARDEN WILLIAM M.
分类号	E02F3/92	主分类号	E02F3/92
代理机构		代理人
主权项
地址

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