HINGED ASSEMBLY FOR DRILLING DIRECTIONAL WELLS,申请号SU19874342292-传众专利搜索

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法人/股东/高管

发明名称	HINGED ASSEMBLY FOR DRILLING DIRECTIONAL WELLS
摘要
申请公布号	SU1735566(A1)	申请公布日期	1992.05.23
申请号	SU19874342292	申请日期	1987.12.11
申请人	VNII BUROVOJ TEKHNIKI	发明人	POTASHNIKOV VLADIMIR D,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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