DIRECTIONAL DRILLING TOOL,申请号SU19853868968-传众专利搜索

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发明名称	DIRECTIONAL DRILLING TOOL
摘要
申请公布号	SU1280105(A1)	申请公布日期	1986.12.30
申请号	SU19853868968	申请日期	1985.03.19
申请人	ZABAJKALSKIJ KOMPLEKSNYJ NII	发明人	ZAKIEV RASHIT B,SU;KOSTIN YURIJ S,SU;MERZHEEVSKIJ ALEKSEJ B,SU
分类号	E21B7/08	主分类号	E21B7/08
代理机构		代理人
主权项
地址

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