Method of freeing pipe stuck in a well,申请号US19630318915-传众专利搜索

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发明名称	Method of freeing pipe stuck in a well
摘要
申请公布号	US3246696(A)	申请公布日期	1966.04.19
申请号	US19630318915	申请日期	1963.10.25
申请人	PAN AMERICAN PETROLEUM CORPORATION	发明人	JR. JAMES E. FOX,
分类号	E21B31/03	主分类号	E21B31/03
代理机构		代理人
主权项
地址

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