METHOD AND APPARATUS FOR INSTALLING GUIDELINES AT UNDERWATER WELLHEADS,申请号USD3626527-传众专利搜索

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发明名称	METHOD AND APPARATUS FOR INSTALLING GUIDELINES AT UNDERWATER WELLHEADS
摘要
申请公布号	US3626527(A)	申请公布日期	1971.12.14
申请号	USD3626527	申请日期	1970.06.05
申请人	NORTH AMERICAN ROCKWELL CORP.	发明人	WALTER BROWN
分类号	E21B41/10;(IPC1-7):B63B21/52	主分类号	E21B41/10
代理机构		代理人
主权项
地址

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