Treatment of well bores,申请号US19480014630-传众专利搜索

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发明名称	Treatment of well bores
摘要
申请公布号	US2609052(A)	申请公布日期	1952.09.02
申请号	US19480014630	申请日期	1948.03.12
申请人	UNION OIL COMPANY OF CALIFORNIA	发明人	KANTZER BASIL P.
分类号	E21B33/138	主分类号	E21B33/138
代理机构		代理人
主权项
地址

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