Hydraulic submarine ditcher,申请号US19500190806-传众专利搜索

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发明名称	Hydraulic submarine ditcher
摘要
申请公布号	US2693085(A)	申请公布日期	1954.11.02
申请号	US19500190806	申请日期	1950.10.18
申请人	STANDARD OIL DEVELOPMENT COMPANY	发明人	SALNIKOV IVAN S.
分类号	E02F5/10	主分类号	E02F5/10
代理机构		代理人
主权项
地址

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