Hydraulic release oil tool,申请号PH19900000411-传众专利搜索

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发明名称	Hydraulic release oil tool
摘要
申请公布号	PH26846(A)	申请公布日期	1992.11.05
申请号	PH19900000411	申请日期	1990.09.12
申请人	UNION OIL COMPANY OF CALIFORNIA	发明人	JEFFREY C. EHLINGER;MARK DAVID MUELLER;MICHAEL GENE MIMS
分类号	E21B17/06;E21B23/04;E21B43/10;F16L37/086;F16L37/62	主分类号	E21B17/06
代理机构		代理人
主权项
地址

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