Suction dredge having rotatable digging tool,申请号US19620191941-传众专利搜索

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发明名称	Suction dredge having rotatable digging tool
摘要
申请公布号	US3171220(A)	申请公布日期	1965.03.02
申请号	US19620191941	申请日期	1962.05.02
申请人	KONINKLIJKE MAATSCHAPPIJ TOT HET UITOEREN VAN OPENBARE WERKEN "ADRIAAN VOLKER" N.V.	发明人	SCHRAM JAN LEENDERT
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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