DIRECTIONAL DRILLING STEERING AND MONITORING TOOL,申请号GB19840017808-传众专利搜索

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发明名称	DIRECTIONAL DRILLING STEERING AND MONITORING TOOL
摘要
申请公布号	GB8417808(D0)	申请公布日期	1984.08.15
申请号	GB19840017808	申请日期	1984.07.12
申请人	CHRISTIANSEN INC	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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