Off-shore drilling barge,申请号US19530348269-传众专利搜索

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发明名称	Off-shore drilling barge
摘要
申请公布号	US2841961(A)	申请公布日期	1958.07.08
申请号	US19530348269	申请日期	1953.04.13
申请人	DELONG CORPORATION	发明人	LUCAS JOSEPH E.
分类号	E02B17/08	主分类号	E02B17/08
代理机构		代理人
主权项
地址

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