Well jar systems,申请号US19630280829-传众专利搜索

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发明名称	Well jar systems
摘要
申请公布号	US3251426(A)	申请公布日期	1966.05.17
申请号	US19630280829	申请日期	1963.05.16
申请人	SCHLUMBERGER WELL SURVEYING CORPORATION	发明人	LEBOURG MAURICE P.
分类号	E21B31/113	主分类号	E21B31/113
代理机构		代理人
主权项
地址

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