DRILL PIPE SECTIONS AND METHOD OF AND APPARATUS FOR AUTOMATICALLY BREAKING OUT THE CONNECTIONS THEREOF,申请号CAD746392-传众专利搜索

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发明名称	DRILL PIPE SECTIONS AND METHOD OF AND APPARATUS FOR AUTOMATICALLY BREAKING OUT THE CONNECTIONS THEREOF
摘要
申请公布号	CA746392(A)	申请公布日期	1966.11.15
申请号	CAD746392	申请日期
申请人	GEORGE E. FAILING COMPANY	发明人	EMMETT L. ALEXANDER
分类号		主分类号
代理机构		代理人
主权项
地址

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