Hydraulic dredging machine,申请号US19470724279-传众专利搜索

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发明名称	Hydraulic dredging machine
摘要
申请公布号	US2599980(A)	申请公布日期	1952.06.10
申请号	US19470724279	申请日期	1947.01.25
申请人	OSCAR THOMAS MCSHANE	发明人	DUNNING HOMER K.
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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