Freeing stuck pipe,申请号US19610096109-传众专利搜索

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发明名称	Freeing stuck pipe
摘要
申请公布号	US3217802(A)	申请公布日期	1965.11.16
申请号	US19610096109	申请日期	1961.03.16
申请人	MAGNET COVE BARIUM CORPORATION	发明人	REDDIE WILLIAM A.;WERLEIN EUGENE R.;SIMON HUEY A.
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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