Submarine well head tool servicing apparatus,申请号GB19640005048-传众专利搜索

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发明名称	Submarine well head tool servicing apparatus
摘要
申请公布号	GB1060773(A)	申请公布日期	1967.03.08
申请号	GB19640005048	申请日期	1964.02.06
申请人	HYDRIL COMPANY	发明人	LEWIS GEORGE EDWARD
分类号	E21B33/035;E21B33/064	主分类号	E21B33/035
代理机构		代理人
主权项
地址

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