DRILLING ASSEMBLY, DEVIATION SUB THEREWITH, AND METHOD OF USING SAME,申请号CA19750228551-传众专利搜索

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发明名称	DRILLING ASSEMBLY, DEVIATION SUB THEREWITH, AND METHOD OF USING SAME
摘要
申请公布号	CA1026739(A)	申请公布日期	1978.02.21
申请号	CA19750228551	申请日期	1975.06.04
申请人	CULLEN, ROY H.	发明人	CULLEN, ROY H.
分类号		主分类号
代理机构		代理人
主权项
地址

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